1 | /* $Id: kObjCache.c 3315 2020-03-31 01:12:19Z bird $ */
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2 | /** @file
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3 | * kObjCache - Object Cache.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (c) 2007-2012 knut st. osmundsen <[email protected]>
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8 | *
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9 | * This file is part of kBuild.
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10 | *
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11 | * kBuild is free software; you can redistribute it and/or modify
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12 | * it under the terms of the GNU General Public License as published by
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13 | * the Free Software Foundation; either version 3 of the License, or
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14 | * (at your option) any later version.
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15 | *
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16 | * kBuild is distributed in the hope that it will be useful,
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | * GNU General Public License for more details.
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20 | *
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21 | * You should have received a copy of the GNU General Public License
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22 | * along with kBuild. If not, see <http://www.gnu.org/licenses/>
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23 | *
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24 | */
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25 |
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26 | /*******************************************************************************
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27 | * Header Files *
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28 | *******************************************************************************/
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29 | #if 0
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30 | # define ELECTRIC_HEAP
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31 | # include "../kmk/electric.h"
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32 | # include "../kmk/electric.c"
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33 | #endif
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34 | #include <string.h>
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35 | #include <stdlib.h>
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36 | #include <stdarg.h>
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37 | #include <stdio.h>
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38 | #include <errno.h>
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39 | #include <assert.h>
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40 | #include <sys/stat.h>
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41 | #include <fcntl.h>
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42 | #include <limits.h>
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43 | #include <ctype.h>
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44 | #ifndef PATH_MAX
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45 | # ifdef _MAX_PATH
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46 | # define PATH_MAX _MAX_PATH /* windows */
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47 | # else
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48 | # define PATH_MAX 4096 /* gnu hurd */
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49 | # endif
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50 | #endif
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51 | #if defined(__OS2__) || defined(__WIN__)
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52 | # include <process.h>
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53 | # include <io.h>
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54 | # ifdef __OS2__
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55 | # include <unistd.h>
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56 | # include <sys/wait.h>
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57 | # include <sys/time.h>
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58 | # endif
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59 | # if defined(_MSC_VER)
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60 | # include <direct.h>
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61 | typedef intptr_t pid_t;
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62 | # endif
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63 | # ifndef _P_WAIT
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64 | # define _P_WAIT P_WAIT
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65 | # endif
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66 | # ifndef _P_NOWAIT
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67 | # define _P_NOWAIT P_NOWAIT
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68 | # endif
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69 | #else
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70 | # include <unistd.h>
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71 | # include <sys/wait.h>
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72 | # include <sys/time.h>
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73 | # ifndef O_BINARY
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74 | # define O_BINARY 0
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75 | # endif
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76 | # ifndef __sun__
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77 | # include <sys/file.h> /* flock */
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78 | # endif
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79 | #endif
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80 | #if defined(__WIN__)
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81 | # include <Windows.h>
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82 | # include "quoted_spawn.h"
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83 | #endif
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84 | #if defined(__HAIKU__)
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85 | # include <posix/sys/file.h>
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86 | #endif
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87 |
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88 | #include "crc32.h"
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89 | #include "md5.h"
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90 | #include "kDep.h"
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91 |
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92 |
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93 | /*******************************************************************************
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94 | * Defined Constants And Macros *
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95 | *******************************************************************************/
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96 | /** The max line length in a cache file. */
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97 | #define KOBJCACHE_MAX_LINE_LEN 16384
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98 | #if defined(__WIN__)
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99 | # define PATH_SLASH '\\'
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100 | #else
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101 | # define PATH_SLASH '/'
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102 | #endif
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103 | #if defined(__OS2__) || defined(__WIN__)
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104 | # define IS_SLASH(ch) ((ch) == '/' || (ch) == '\\')
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105 | # define IS_SLASH_DRV(ch) ((ch) == '/' || (ch) == '\\' || (ch) == ':')
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106 | #else
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107 | # define IS_SLASH(ch) ((ch) == '/')
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108 | # define IS_SLASH_DRV(ch) ((ch) == '/')
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109 | #endif
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110 |
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111 | #ifndef STDIN_FILENO
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112 | # define STDIN_FILENO 0
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113 | #endif
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114 | #ifndef STDOUT_FILENO
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115 | # define STDOUT_FILENO 1
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116 | #endif
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117 | #ifndef STDERR_FILENO
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118 | # define STDERR_FILENO 2
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119 | #endif
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120 |
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121 | #define MY_IS_BLANK(a_ch) ((a_ch) == ' ' || (a_ch) == '\t')
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122 |
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123 | #define KOC_BUF_MIN KOC_BUF_ALIGNMENT
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124 | #define KOC_BUF_INCR KOC_BUF_ALIGNMENT
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125 | #define KOC_BUF_ALIGNMENT (4U*1024U*1024U)
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126 |
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127 |
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128 | /*******************************************************************************
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129 | * Global Variables *
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130 | *******************************************************************************/
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131 | /** Whether verbose output is enabled. */
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132 | static unsigned g_cVerbosityLevel = 0;
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133 | /** What to prefix the errors with. */
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134 | static char g_szErrorPrefix[128];
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135 |
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136 | /** Read buffer shared by the cache components. */
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137 | static char g_szLine[KOBJCACHE_MAX_LINE_LEN + 16];
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138 |
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139 | /** How many times we've moved memory around. */
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140 | static size_t g_cMemMoves = 0;
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141 | /** How much memory we've moved. */
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142 | static size_t g_cbMemMoved = 0;
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143 |
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144 |
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145 | /*******************************************************************************
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146 | * Internal Functions *
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147 | *******************************************************************************/
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148 | static char *MakePathFromDirAndFile(const char *pszName, const char *pszDir);
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149 | static char *CalcRelativeName(const char *pszPath, const char *pszDir);
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150 | static FILE *FOpenFileInDir(const char *pszName, const char *pszDir, const char *pszMode);
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151 | static int UnlinkFileInDir(const char *pszName, const char *pszDir);
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152 | static int RenameFileInDir(const char *pszOldName, const char *pszNewName, const char *pszDir);
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153 | static int DoesFileInDirExist(const char *pszName, const char *pszDir);
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154 | static void *ReadFileInDir(const char *pszName, const char *pszDir, size_t *pcbFile);
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155 |
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156 |
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157 | void FatalMsg(const char *pszFormat, ...)
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158 | {
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159 | va_list va;
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160 |
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161 | if (g_szErrorPrefix[0])
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162 | fprintf(stderr, "%s - fatal error: ", g_szErrorPrefix);
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163 | else
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164 | fprintf(stderr, "fatal error: ");
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165 |
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166 | va_start(va, pszFormat);
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167 | vfprintf(stderr, pszFormat, va);
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168 | va_end(va);
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169 | }
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170 |
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171 |
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172 | void FatalDie(const char *pszFormat, ...)
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173 | {
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174 | va_list va;
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175 |
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176 | if (g_szErrorPrefix[0])
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177 | fprintf(stderr, "%s - fatal error: ", g_szErrorPrefix);
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178 | else
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179 | fprintf(stderr, "fatal error: ");
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180 |
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181 | va_start(va, pszFormat);
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182 | vfprintf(stderr, pszFormat, va);
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183 | va_end(va);
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184 |
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185 | exit(1);
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186 | }
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187 |
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188 |
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189 | #if 0 /* unused */
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190 | static void ErrorMsg(const char *pszFormat, ...)
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191 | {
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192 | va_list va;
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193 |
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194 | if (g_szErrorPrefix[0])
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195 | fprintf(stderr, "%s - error: ", g_szErrorPrefix);
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196 | else
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197 | fprintf(stderr, "error: ");
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198 |
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199 | va_start(va, pszFormat);
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200 | vfprintf(stderr, pszFormat, va);
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201 | va_end(va);
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202 | }
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203 | #endif /* unused */
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204 |
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205 |
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206 | static void InfoMsg(unsigned uLevel, const char *pszFormat, ...)
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207 | {
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208 | if (uLevel <= g_cVerbosityLevel)
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209 | {
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210 | va_list va;
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211 |
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212 | if (g_szErrorPrefix[0])
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213 | fprintf(stderr, "%s - info: ", g_szErrorPrefix);
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214 | else
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215 | fprintf(stderr, "info: ");
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216 |
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217 | va_start(va, pszFormat);
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218 | vfprintf(stderr, pszFormat, va);
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219 | va_end(va);
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220 | }
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221 | }
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222 |
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223 |
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224 | static void SetErrorPrefix(const char *pszPrefix, ...)
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225 | {
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226 | int cch;
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227 | va_list va;
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228 |
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229 | va_start(va, pszPrefix);
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230 | #if defined(_MSC_VER) || defined(__sun__)
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231 | cch = vsprintf(g_szErrorPrefix, pszPrefix, va);
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232 | if (cch >= sizeof(g_szErrorPrefix))
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233 | FatalDie("Buffer overflow setting error prefix!\n");
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234 | #else
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235 | vsnprintf(g_szErrorPrefix, sizeof(g_szErrorPrefix), pszPrefix, va);
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236 | #endif
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237 | va_end(va);
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238 | (void)cch;
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239 | }
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240 |
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241 | #ifndef ELECTRIC_HEAP
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242 | void *xmalloc(size_t cb)
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243 | {
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244 | void *pv = malloc(cb);
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245 | if (!pv)
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246 | FatalDie("out of memory (%d)\n", (int)cb);
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247 | return pv;
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248 | }
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249 |
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250 |
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251 | void *xrealloc(void *pvOld, size_t cb)
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252 | {
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253 | void *pv = realloc(pvOld, cb);
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254 | if (!pv)
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255 | FatalDie("out of memory (%d)\n", (int)cb);
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256 | return pv;
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257 | }
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258 |
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259 |
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260 | char *xstrdup(const char *pszIn)
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261 | {
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262 | char *psz;
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263 | if (pszIn)
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264 | {
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265 | psz = strdup(pszIn);
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266 | if (!psz)
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267 | FatalDie("out of memory (%d)\n", (int)strlen(pszIn));
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268 | }
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269 | else
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270 | psz = NULL;
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271 | return psz;
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272 | }
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273 | #endif
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274 |
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275 |
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276 | void *xmallocz(size_t cb)
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277 | {
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278 | void *pv = xmalloc(cb);
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279 | memset(pv, 0, cb);
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280 | return pv;
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281 | }
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282 |
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283 |
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284 |
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285 |
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286 |
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287 | /**
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288 | * Returns a millisecond timestamp.
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289 | *
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290 | * @returns Millisecond timestamp.
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291 | */
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292 | static uint32_t NowMs(void)
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293 | {
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294 | #if defined(__WIN__)
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295 | return GetTickCount();
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296 | #else
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297 | int iSavedErrno = errno;
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298 | struct timeval tv = {0, 0};
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299 |
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300 | gettimeofday(&tv, NULL);
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301 | errno = iSavedErrno;
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302 |
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303 | return tv.tv_sec * 1000 + tv.tv_usec / 1000;
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304 | #endif
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305 | }
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306 |
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307 |
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308 | /**
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309 | * Gets the absolute path
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310 | *
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311 | * @returns A new heap buffer containing the absolute path.
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312 | * @param pszPath The path to make absolute. (Readonly)
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313 | */
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314 | static char *AbsPath(const char *pszPath)
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315 | {
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316 | /** @todo this isn't really working as it should... */
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317 | char szTmp[PATH_MAX];
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318 | #if defined(__OS2__)
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319 | if ( _fullpath(szTmp, *pszPath ? pszPath : ".", sizeof(szTmp))
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320 | && !realpath(pszPath, szTmp))
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321 | return xstrdup(pszPath);
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322 | #elif defined(__WIN__)
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323 | if (!_fullpath(szTmp, *pszPath ? pszPath : ".", sizeof(szTmp)))
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324 | return xstrdup(pszPath);
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325 | #else
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326 | if (!realpath(pszPath, szTmp))
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327 | return xstrdup(pszPath);
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328 | #endif
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329 | return xstrdup(szTmp);
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330 | }
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331 |
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332 |
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333 | /**
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334 | * Utility function that finds the filename part in a path.
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335 | *
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336 | * @returns Pointer to the file name part (this may be "").
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337 | * @param pszPath The path to parse.
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338 | */
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339 | static const char *FindFilenameInPath(const char *pszPath)
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340 | {
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341 | const char *pszFilename = strchr(pszPath, '\0') - 1;
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342 | if (pszFilename < pszPath)
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343 | return pszPath;
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344 | while ( pszFilename > pszPath
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345 | && !IS_SLASH_DRV(pszFilename[-1]))
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346 | pszFilename--;
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347 | return pszFilename;
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348 | }
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349 |
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350 |
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351 | /**
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352 | * Utility function that combines a filename and a directory into a path.
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353 | *
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354 | * @returns malloced buffer containing the result.
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355 | * @param pszName The file name.
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356 | * @param pszDir The directory path.
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357 | */
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358 | static char *MakePathFromDirAndFile(const char *pszName, const char *pszDir)
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359 | {
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360 | size_t cchName = strlen(pszName);
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361 | size_t cchDir = strlen(pszDir);
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362 | char *pszBuf = xmalloc(cchName + cchDir + 2);
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363 | memcpy(pszBuf, pszDir, cchDir);
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364 | if (cchDir > 0 && !IS_SLASH_DRV(pszDir[cchDir - 1]))
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365 | pszBuf[cchDir++] = PATH_SLASH;
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366 | memcpy(pszBuf + cchDir, pszName, cchName + 1);
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367 | return pszBuf;
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368 | }
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369 |
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370 |
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371 | /**
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372 | * Compares two path strings to see if they are identical.
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373 | *
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374 | * This doesn't do anything fancy, just the case ignoring and
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375 | * slash unification.
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376 | *
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377 | * @returns 1 if equal, 0 otherwise.
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378 | * @param pszPath1 The first path.
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379 | * @param pszPath2 The second path.
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380 | */
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381 | static int ArePathsIdentical(const char *pszPath1, const char *pszPath2)
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382 | {
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383 | #if defined(__OS2__) || defined(__WIN__)
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384 | if (stricmp(pszPath1, pszPath2))
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385 | {
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386 | /* Slashes may differ, compare char by char. */
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387 | const char *psz1 = pszPath1;
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388 | const char *psz2 = pszPath2;
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389 | for (;;)
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390 | {
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391 | if (*psz1 != *psz2)
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392 | {
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393 | if ( tolower(*psz1) != tolower(*psz2)
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394 | && toupper(*psz1) != toupper(*psz2)
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395 | && *psz1 != '/'
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396 | && *psz1 != '\\'
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397 | && *psz2 != '/'
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398 | && *psz2 != '\\')
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399 | return 0;
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400 | }
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401 | if (!*psz1)
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402 | break;
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403 | psz1++;
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404 | psz2++;
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405 | }
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406 | }
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407 | return 1;
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408 | #else
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409 | return !strcmp(pszPath1, pszPath2);
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410 | #endif
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411 | }
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412 |
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413 | /**
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414 | * Compares two path strings to see if they are identical.
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415 | *
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416 | * This doesn't do anything fancy, just the case ignoring and
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417 | * slash unification.
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418 | *
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419 | * @returns 1 if equal, 0 otherwise.
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420 | * @param pszPath1 The first path.
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421 | * @param pszPath2 The second path.
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422 | * @param cch The number of characters to compare.
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423 | */
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424 | static int ArePathsIdenticalN(const char *pszPath1, const char *pszPath2, size_t cch)
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425 | {
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426 | #if defined(__OS2__) || defined(__WIN__)
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427 | if (strnicmp(pszPath1, pszPath2, cch))
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428 | {
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429 | /* Slashes may differ, compare char by char. */
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430 | const char *psz1 = pszPath1;
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431 | const char *psz2 = pszPath2;
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432 | for ( ; cch; psz1++, psz2++, cch--)
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433 | {
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434 | if (*psz1 != *psz2)
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435 | {
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436 | if ( tolower(*psz1) != tolower(*psz2)
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437 | && toupper(*psz1) != toupper(*psz2)
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438 | && *psz1 != '/'
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439 | && *psz1 != '\\'
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440 | && *psz2 != '/'
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441 | && *psz2 != '\\')
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442 | return 0;
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443 | }
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444 | }
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445 | }
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446 | return 1;
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447 | #else
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448 | return !strncmp(pszPath1, pszPath2, cch);
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449 | #endif
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450 | }
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451 |
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452 |
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453 | /**
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454 | * Calculate how to get to pszPath from pszDir.
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455 | *
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456 | * @returns The relative path from pszDir to path pszPath.
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457 | * @param pszPath The path to the object.
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458 | * @param pszDir The directory it shall be relative to.
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459 | */
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460 | static char *CalcRelativeName(const char *pszPath, const char *pszDir)
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461 | {
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462 | char *pszRet = NULL;
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463 | char *pszAbsPath = NULL;
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464 | size_t cchDir = strlen(pszDir);
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465 |
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466 | /*
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467 | * This is indeed a bit tricky, so we'll try the easy way first...
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468 | */
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469 | if (ArePathsIdenticalN(pszPath, pszDir, cchDir))
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470 | {
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471 | if (pszPath[cchDir])
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472 | pszRet = (char *)pszPath + cchDir;
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473 | else
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474 | pszRet = "./";
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475 | }
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476 | else
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477 | {
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---|
478 | pszAbsPath = AbsPath(pszPath);
|
---|
479 | if (ArePathsIdenticalN(pszAbsPath, pszDir, cchDir))
|
---|
480 | {
|
---|
481 | if (pszPath[cchDir])
|
---|
482 | pszRet = pszAbsPath + cchDir;
|
---|
483 | else
|
---|
484 | pszRet = "./";
|
---|
485 | }
|
---|
486 | }
|
---|
487 | if (pszRet)
|
---|
488 | {
|
---|
489 | while (IS_SLASH_DRV(*pszRet))
|
---|
490 | pszRet++;
|
---|
491 | pszRet = xstrdup(pszRet);
|
---|
492 | free(pszAbsPath);
|
---|
493 | return pszRet;
|
---|
494 | }
|
---|
495 |
|
---|
496 | /*
|
---|
497 | * Damn, it's gonna be complicated. Deal with that later.
|
---|
498 | */
|
---|
499 | FatalDie("complicated relative path stuff isn't implemented yet. sorry.\n");
|
---|
500 | return NULL;
|
---|
501 | }
|
---|
502 |
|
---|
503 |
|
---|
504 | /**
|
---|
505 | * Utility function that combines a filename and directory and passes it onto fopen.
|
---|
506 | *
|
---|
507 | * @returns fopen return value.
|
---|
508 | * @param pszName The file name.
|
---|
509 | * @param pszDir The directory path.
|
---|
510 | * @param pszMode The fopen mode string.
|
---|
511 | */
|
---|
512 | static FILE *FOpenFileInDir(const char *pszName, const char *pszDir, const char *pszMode)
|
---|
513 | {
|
---|
514 | char *pszPath = MakePathFromDirAndFile(pszName, pszDir);
|
---|
515 | FILE *pFile = fopen(pszPath, pszMode);
|
---|
516 | free(pszPath);
|
---|
517 | return pFile;
|
---|
518 | }
|
---|
519 |
|
---|
520 |
|
---|
521 | /**
|
---|
522 | * Utility function that combines a filename and directory and passes it onto open.
|
---|
523 | *
|
---|
524 | * @returns open return value.
|
---|
525 | * @param pszName The file name.
|
---|
526 | * @param pszDir The directory path.
|
---|
527 | * @param fFlags The open flags.
|
---|
528 | * @param fCreateMode The file creation mode.
|
---|
529 | */
|
---|
530 | static int OpenFileInDir(const char *pszName, const char *pszDir, int fFlags, int fCreateMode)
|
---|
531 | {
|
---|
532 | char *pszPath = MakePathFromDirAndFile(pszName, pszDir);
|
---|
533 | int fd = open(pszPath, fFlags, fCreateMode);
|
---|
534 | free(pszPath);
|
---|
535 | return fd;
|
---|
536 | }
|
---|
537 |
|
---|
538 |
|
---|
539 |
|
---|
540 | /**
|
---|
541 | * Deletes a file in a directory.
|
---|
542 | *
|
---|
543 | * @returns whatever unlink returns.
|
---|
544 | * @param pszName The file name.
|
---|
545 | * @param pszDir The directory path.
|
---|
546 | */
|
---|
547 | static int UnlinkFileInDir(const char *pszName, const char *pszDir)
|
---|
548 | {
|
---|
549 | char *pszPath = MakePathFromDirAndFile(pszName, pszDir);
|
---|
550 | int rc = unlink(pszPath);
|
---|
551 | free(pszPath);
|
---|
552 | return rc;
|
---|
553 | }
|
---|
554 |
|
---|
555 |
|
---|
556 | /**
|
---|
557 | * Renames a file in a directory.
|
---|
558 | *
|
---|
559 | * @returns whatever rename returns.
|
---|
560 | * @param pszOldName The new file name.
|
---|
561 | * @param pszNewName The old file name.
|
---|
562 | * @param pszDir The directory path.
|
---|
563 | */
|
---|
564 | static int RenameFileInDir(const char *pszOldName, const char *pszNewName, const char *pszDir)
|
---|
565 | {
|
---|
566 | char *pszOldPath = MakePathFromDirAndFile(pszOldName, pszDir);
|
---|
567 | char *pszNewPath = MakePathFromDirAndFile(pszNewName, pszDir);
|
---|
568 | int rc = rename(pszOldPath, pszNewPath);
|
---|
569 | free(pszOldPath);
|
---|
570 | free(pszNewPath);
|
---|
571 | return rc;
|
---|
572 | }
|
---|
573 |
|
---|
574 |
|
---|
575 | /**
|
---|
576 | * Check if a (regular) file exists in a directory.
|
---|
577 | *
|
---|
578 | * @returns 1 if it exists and is a regular file, 0 if not.
|
---|
579 | * @param pszName The file name.
|
---|
580 | * @param pszDir The directory path.
|
---|
581 | */
|
---|
582 | static int DoesFileInDirExist(const char *pszName, const char *pszDir)
|
---|
583 | {
|
---|
584 | char *pszPath = MakePathFromDirAndFile(pszName, pszDir);
|
---|
585 | struct stat st;
|
---|
586 | int rc = stat(pszPath, &st);
|
---|
587 | free(pszPath);
|
---|
588 | #ifdef S_ISREG
|
---|
589 | return !rc && S_ISREG(st.st_mode);
|
---|
590 | #elif defined(_MSC_VER)
|
---|
591 | return !rc && (st.st_mode & _S_IFMT) == _S_IFREG;
|
---|
592 | #else
|
---|
593 | #error "Port me"
|
---|
594 | #endif
|
---|
595 | }
|
---|
596 |
|
---|
597 |
|
---|
598 | /**
|
---|
599 | * Reads into memory an entire file.
|
---|
600 | *
|
---|
601 | * @returns Pointer to the heap allocation containing the file.
|
---|
602 | * On failure NULL and errno is returned.
|
---|
603 | * @param pszName The file.
|
---|
604 | * @param pszDir The directory the file resides in.
|
---|
605 | * @param pcbFile Where to store the file size.
|
---|
606 | */
|
---|
607 | static void *ReadFileInDir(const char *pszName, const char *pszDir, size_t *pcbFile)
|
---|
608 | {
|
---|
609 | int SavedErrno;
|
---|
610 | char *pszPath = MakePathFromDirAndFile(pszName, pszDir);
|
---|
611 | int fd = open(pszPath, O_RDONLY | O_BINARY);
|
---|
612 | if (fd >= 0)
|
---|
613 | {
|
---|
614 | off_t cbFile = lseek(fd, 0, SEEK_END);
|
---|
615 | if ( cbFile >= 0
|
---|
616 | && lseek(fd, 0, SEEK_SET) == 0)
|
---|
617 | {
|
---|
618 | char *pb = malloc(cbFile + 1);
|
---|
619 | if (pb)
|
---|
620 | {
|
---|
621 | if (read(fd, pb, cbFile) == cbFile)
|
---|
622 | {
|
---|
623 | close(fd);
|
---|
624 | pb[cbFile] = '\0';
|
---|
625 | *pcbFile = (size_t)cbFile;
|
---|
626 | return pb;
|
---|
627 | }
|
---|
628 | SavedErrno = errno;
|
---|
629 | free(pb);
|
---|
630 | }
|
---|
631 | else
|
---|
632 | SavedErrno = ENOMEM;
|
---|
633 | }
|
---|
634 | else
|
---|
635 | SavedErrno = errno;
|
---|
636 | close(fd);
|
---|
637 | }
|
---|
638 | else
|
---|
639 | SavedErrno = errno;
|
---|
640 | free(pszPath);
|
---|
641 | errno = SavedErrno;
|
---|
642 | return NULL;
|
---|
643 | }
|
---|
644 |
|
---|
645 |
|
---|
646 | /**
|
---|
647 | * Creates a directory including all necessary parent directories.
|
---|
648 | *
|
---|
649 | * @returns 0 on success, -1 + errno on failure.
|
---|
650 | * @param pszDir The directory.
|
---|
651 | */
|
---|
652 | static int MakePath(const char *pszPath)
|
---|
653 | {
|
---|
654 | int iErr = 0;
|
---|
655 | char *pszAbsPath = AbsPath(pszPath);
|
---|
656 | char *psz = pszAbsPath;
|
---|
657 |
|
---|
658 | /* Skip to the root slash (PC). */
|
---|
659 | while (!IS_SLASH(*psz) && *psz)
|
---|
660 | psz++;
|
---|
661 | /** @todo UNC */
|
---|
662 | for (;;)
|
---|
663 | {
|
---|
664 | char chSaved;
|
---|
665 |
|
---|
666 | /* skip slashes */
|
---|
667 | while (IS_SLASH(*psz))
|
---|
668 | psz++;
|
---|
669 | if (!*psz)
|
---|
670 | break;
|
---|
671 |
|
---|
672 | /* find the next slash or end and terminate the string. */
|
---|
673 | while (!IS_SLASH(*psz) && *psz)
|
---|
674 | psz++;
|
---|
675 | chSaved = *psz;
|
---|
676 | *psz = '\0';
|
---|
677 |
|
---|
678 | /* try create the directory, ignore failure because the directory already exists. */
|
---|
679 | errno = 0;
|
---|
680 | #ifdef _MSC_VER
|
---|
681 | if ( _mkdir(pszAbsPath)
|
---|
682 | && errno != EEXIST)
|
---|
683 | #else
|
---|
684 | if ( mkdir(pszAbsPath, 0777)
|
---|
685 | && errno != EEXIST
|
---|
686 | && errno != ENOSYS /* Solaris nonsensical mkdir crap. */
|
---|
687 | && errno != EACCES /* Solaris nonsensical mkdir crap. */
|
---|
688 | )
|
---|
689 | #endif
|
---|
690 | {
|
---|
691 | iErr = errno;
|
---|
692 | break;
|
---|
693 | }
|
---|
694 |
|
---|
695 | /* restore the slash/terminator */
|
---|
696 | *psz = chSaved;
|
---|
697 | }
|
---|
698 |
|
---|
699 | free(pszAbsPath);
|
---|
700 | return iErr ? -1 : 0;
|
---|
701 | }
|
---|
702 |
|
---|
703 |
|
---|
704 | /**
|
---|
705 | * Adds the arguments found in the pszCmdLine string to argument vector.
|
---|
706 | *
|
---|
707 | * The parsing of the pszCmdLine string isn't very sophisticated, no
|
---|
708 | * escaping or quotes.
|
---|
709 | *
|
---|
710 | * @param pcArgs Pointer to the argument counter.
|
---|
711 | * @param ppapszArgs Pointer to the argument vector pointer.
|
---|
712 | * @param pszCmdLine The command line to parse and append.
|
---|
713 | * @param pszWedgeArg Argument to put infront of anything found in pszCmdLine.
|
---|
714 | */
|
---|
715 | static void AppendArgs(int *pcArgs, char ***ppapszArgs, const char *pszCmdLine, const char *pszWedgeArg)
|
---|
716 | {
|
---|
717 | int i;
|
---|
718 | int cExtraArgs;
|
---|
719 | const char *psz;
|
---|
720 | char **papszArgs;
|
---|
721 |
|
---|
722 | /*
|
---|
723 | * Count the new arguments.
|
---|
724 | */
|
---|
725 | cExtraArgs = 0;
|
---|
726 | psz = pszCmdLine;
|
---|
727 | while (*psz)
|
---|
728 | {
|
---|
729 | while (isspace(*psz))
|
---|
730 | psz++;
|
---|
731 | if (!psz)
|
---|
732 | break;
|
---|
733 | cExtraArgs++;
|
---|
734 | while (!isspace(*psz) && *psz)
|
---|
735 | psz++;
|
---|
736 | }
|
---|
737 | if (!cExtraArgs)
|
---|
738 | return;
|
---|
739 |
|
---|
740 | /*
|
---|
741 | * Allocate a new vector that can hold the arguments.
|
---|
742 | * (Reallocating might not work since the argv might not be allocated
|
---|
743 | * from the heap but off the stack or somewhere... )
|
---|
744 | */
|
---|
745 | i = *pcArgs;
|
---|
746 | *pcArgs = i + cExtraArgs + !!pszWedgeArg;
|
---|
747 | papszArgs = xmalloc((*pcArgs + 1) * sizeof(char *));
|
---|
748 | *ppapszArgs = memcpy(papszArgs, *ppapszArgs, i * sizeof(char *));
|
---|
749 |
|
---|
750 | if (pszWedgeArg)
|
---|
751 | papszArgs[i++] = xstrdup(pszWedgeArg);
|
---|
752 |
|
---|
753 | psz = pszCmdLine;
|
---|
754 | while (*psz)
|
---|
755 | {
|
---|
756 | size_t cch;
|
---|
757 | const char *pszEnd;
|
---|
758 | while (isspace(*psz))
|
---|
759 | psz++;
|
---|
760 | if (!psz)
|
---|
761 | break;
|
---|
762 | pszEnd = psz;
|
---|
763 | while (!isspace(*pszEnd) && *pszEnd)
|
---|
764 | pszEnd++;
|
---|
765 |
|
---|
766 | cch = pszEnd - psz;
|
---|
767 | papszArgs[i] = xmalloc(cch + 1);
|
---|
768 | memcpy(papszArgs[i], psz, cch);
|
---|
769 | papszArgs[i][cch] = '\0';
|
---|
770 |
|
---|
771 | i++;
|
---|
772 | psz = pszEnd;
|
---|
773 | }
|
---|
774 |
|
---|
775 | papszArgs[i] = NULL;
|
---|
776 | }
|
---|
777 |
|
---|
778 |
|
---|
779 | /**
|
---|
780 | * Dependency collector state.
|
---|
781 | */
|
---|
782 | typedef struct KOCDEP
|
---|
783 | {
|
---|
784 | /** The statemachine for processing the preprocessed code stream. */
|
---|
785 | enum KOCDEPSTATE
|
---|
786 | {
|
---|
787 | kOCDepState_Invalid = 0,
|
---|
788 | kOCDepState_NeedNewLine,
|
---|
789 | kOCDepState_NeedHash,
|
---|
790 | kOCDepState_NeedLine_l,
|
---|
791 | kOCDepState_NeedLine_l_HaveSpace,
|
---|
792 | kOCDepState_NeedLine_i,
|
---|
793 | kOCDepState_NeedLine_n,
|
---|
794 | kOCDepState_NeedLine_e,
|
---|
795 | kOCDepState_NeedSpaceBeforeDigit,
|
---|
796 | kOCDepState_NeedFirstDigit,
|
---|
797 | kOCDepState_NeedMoreDigits,
|
---|
798 | kOCDepState_NeedQuote,
|
---|
799 | kOCDepState_NeedEndQuote
|
---|
800 | } enmState;
|
---|
801 | /** Current offset into the filename buffer. */
|
---|
802 | uint32_t offFilename;
|
---|
803 | /** The amount of space currently allocated for the filename buffer. */
|
---|
804 | uint32_t cbFilenameAlloced;
|
---|
805 | /** Pointer to the filename buffer. */
|
---|
806 | char *pszFilename;
|
---|
807 | /** The current dependency file. */
|
---|
808 | PDEP pCurDep;
|
---|
809 | /** The core dependency collector state. */
|
---|
810 | DEPGLOBALS Core;
|
---|
811 | } KOCDEP;
|
---|
812 | /** Pointer to a KOCDEP. */
|
---|
813 | typedef KOCDEP *PKOCDEP;
|
---|
814 |
|
---|
815 |
|
---|
816 | /**
|
---|
817 | * Initializes the dependency collector state.
|
---|
818 | *
|
---|
819 | * @param pDepState The dependency collector state.
|
---|
820 | */
|
---|
821 | static void kOCDepInit(PKOCDEP pDepState)
|
---|
822 | {
|
---|
823 | pDepState->enmState = kOCDepState_NeedHash;
|
---|
824 | pDepState->offFilename = 0;
|
---|
825 | pDepState->cbFilenameAlloced = 0;
|
---|
826 | pDepState->pszFilename = NULL;
|
---|
827 | pDepState->pCurDep = NULL;
|
---|
828 | depInit(&pDepState->Core);
|
---|
829 | }
|
---|
830 |
|
---|
831 |
|
---|
832 | /**
|
---|
833 | * Deletes the dependency collector state, releasing all resources.
|
---|
834 | *
|
---|
835 | * @param pDepState The dependency collector state.
|
---|
836 | */
|
---|
837 | static void kOCDepDelete(PKOCDEP pDepState)
|
---|
838 | {
|
---|
839 | pDepState->enmState = kOCDepState_Invalid;
|
---|
840 | free(pDepState->pszFilename);
|
---|
841 | pDepState->pszFilename = NULL;
|
---|
842 | depCleanup(&pDepState->Core);
|
---|
843 | }
|
---|
844 |
|
---|
845 |
|
---|
846 | /**
|
---|
847 | * Unescapes a string in place.
|
---|
848 | *
|
---|
849 | * @returns The new string length.
|
---|
850 | * @param psz The string to unescape (input and output).
|
---|
851 | */
|
---|
852 | static size_t kOCDepUnescape(char *psz)
|
---|
853 | {
|
---|
854 | char *pszSrc = psz;
|
---|
855 | char *pszDst = psz;
|
---|
856 | char ch;
|
---|
857 |
|
---|
858 | while ((ch = *pszSrc++) != '\0')
|
---|
859 | {
|
---|
860 | if (ch == '\\')
|
---|
861 | {
|
---|
862 | char ch2 = *pszSrc;
|
---|
863 | if (ch2)
|
---|
864 | {
|
---|
865 | pszSrc++;
|
---|
866 | ch = ch2;
|
---|
867 | }
|
---|
868 | /* else: cannot happen / just ignore */
|
---|
869 | }
|
---|
870 | *pszDst++ = ch;
|
---|
871 | }
|
---|
872 |
|
---|
873 | *pszDst = '\0';
|
---|
874 | return pszDst - psz;
|
---|
875 | }
|
---|
876 |
|
---|
877 |
|
---|
878 | /**
|
---|
879 | * Checks if the character at @a offChar is escaped or not.
|
---|
880 | *
|
---|
881 | * @returns 1 if escaped, 0 if not.
|
---|
882 | * @param pach The string (not terminated).
|
---|
883 | * @param offChar The offset of the character in question.
|
---|
884 | */
|
---|
885 | static int kOCDepIsEscaped(char *pach, size_t offChar)
|
---|
886 | {
|
---|
887 | while (offChar > 0 && pach[offChar - 1] == '\\')
|
---|
888 | {
|
---|
889 | if ( offChar == 1
|
---|
890 | || pach[offChar - 2] != '\\')
|
---|
891 | return 1;
|
---|
892 | offChar -= 2;
|
---|
893 | }
|
---|
894 | return 0;
|
---|
895 | }
|
---|
896 |
|
---|
897 |
|
---|
898 | static void kOCDepEnter(PKOCDEP pDepState, const char *pszUnescFilename, size_t cchFilename)
|
---|
899 | {
|
---|
900 | if (cchFilename + 1 >= pDepState->cbFilenameAlloced)
|
---|
901 | {
|
---|
902 | pDepState->cbFilenameAlloced = (cchFilename + 1 + 15) & ~15;
|
---|
903 | pDepState->pszFilename = (char *)xrealloc(pDepState->pszFilename, pDepState->cbFilenameAlloced);
|
---|
904 | }
|
---|
905 |
|
---|
906 | memcpy(pDepState->pszFilename, pszUnescFilename, cchFilename);
|
---|
907 | pDepState->pszFilename[cchFilename] = '\0';
|
---|
908 | cchFilename = kOCDepUnescape(pDepState->pszFilename);
|
---|
909 |
|
---|
910 | if ( !pDepState->pCurDep
|
---|
911 | || cchFilename != pDepState->pCurDep->cchFilename
|
---|
912 | || strcmp(pDepState->pszFilename, pDepState->pCurDep->szFilename))
|
---|
913 | pDepState->pCurDep = depAdd(&pDepState->Core, pDepState->pszFilename, cchFilename);
|
---|
914 | }
|
---|
915 |
|
---|
916 |
|
---|
917 | /**
|
---|
918 | * This consumes the preprocessor output and generate dependencies from it.
|
---|
919 | *
|
---|
920 | * The trick is to look at the line directives and which files get listed there.
|
---|
921 | *
|
---|
922 | * @returns The new state. This is a convenience for saving code space and it
|
---|
923 | * isn't really meant to be of any use to the caller.
|
---|
924 | * @param pDepState The dependency collector state.
|
---|
925 | * @param pszInput The input.
|
---|
926 | * @param cchInput The input length.
|
---|
927 | */
|
---|
928 | static enum KOCDEPSTATE
|
---|
929 | kOCDepConsumer(PKOCDEP pDepState, const char *pszInput, size_t cchInput)
|
---|
930 | {
|
---|
931 | enum KOCDEPSTATE enmState = pDepState->enmState;
|
---|
932 | const char *psz;
|
---|
933 |
|
---|
934 | while (cchInput > 0)
|
---|
935 | {
|
---|
936 | switch (enmState)
|
---|
937 | {
|
---|
938 | case kOCDepState_NeedNewLine:
|
---|
939 | psz = (const char *)memchr(pszInput, '\n', cchInput);
|
---|
940 | if (!psz)
|
---|
941 | return enmState;
|
---|
942 | psz++;
|
---|
943 | cchInput -= psz - pszInput;
|
---|
944 | pszInput = psz;
|
---|
945 | /* fall thru */
|
---|
946 |
|
---|
947 | case kOCDepState_NeedHash:
|
---|
948 | while (cchInput > 0 && MY_IS_BLANK(*pszInput))
|
---|
949 | cchInput--, pszInput++;
|
---|
950 | if (!cchInput)
|
---|
951 | return pDepState->enmState = kOCDepState_NeedHash;
|
---|
952 |
|
---|
953 | if (*pszInput != '#')
|
---|
954 | break;
|
---|
955 | pszInput++;
|
---|
956 | cchInput--;
|
---|
957 | enmState = kOCDepState_NeedLine_l;
|
---|
958 | /* fall thru */
|
---|
959 |
|
---|
960 | case kOCDepState_NeedLine_l:
|
---|
961 | case kOCDepState_NeedLine_l_HaveSpace:
|
---|
962 | while (cchInput > 0 && MY_IS_BLANK(*pszInput))
|
---|
963 | {
|
---|
964 | enmState = kOCDepState_NeedLine_l_HaveSpace;
|
---|
965 | cchInput--, pszInput++;
|
---|
966 | }
|
---|
967 | if (!cchInput)
|
---|
968 | return pDepState->enmState = enmState;
|
---|
969 |
|
---|
970 | if (*pszInput != 'l')
|
---|
971 | {
|
---|
972 | /* # <digit> "<file>" */
|
---|
973 | if (enmState != kOCDepState_NeedLine_l_HaveSpace || !isdigit(*pszInput))
|
---|
974 | break;
|
---|
975 | pszInput++;
|
---|
976 | cchInput--;
|
---|
977 | enmState = kOCDepState_NeedMoreDigits;
|
---|
978 | continue;
|
---|
979 | }
|
---|
980 | pszInput++;
|
---|
981 | if (!--cchInput)
|
---|
982 | return pDepState->enmState = kOCDepState_NeedLine_i;
|
---|
983 | /* fall thru */
|
---|
984 |
|
---|
985 | case kOCDepState_NeedLine_i:
|
---|
986 | if (*pszInput != 'i')
|
---|
987 | break;
|
---|
988 | pszInput++;
|
---|
989 | if (!--cchInput)
|
---|
990 | return pDepState->enmState = kOCDepState_NeedLine_n;
|
---|
991 | /* fall thru */
|
---|
992 |
|
---|
993 | case kOCDepState_NeedLine_n:
|
---|
994 | if (*pszInput != 'n')
|
---|
995 | break;
|
---|
996 | pszInput++;
|
---|
997 | if (!--cchInput)
|
---|
998 | return pDepState->enmState = kOCDepState_NeedLine_e;
|
---|
999 | /* fall thru */
|
---|
1000 |
|
---|
1001 | case kOCDepState_NeedLine_e:
|
---|
1002 | if (*pszInput != 'e')
|
---|
1003 | break;
|
---|
1004 | pszInput++;
|
---|
1005 | if (!--cchInput)
|
---|
1006 | return pDepState->enmState = kOCDepState_NeedSpaceBeforeDigit;
|
---|
1007 | /* fall thru */
|
---|
1008 |
|
---|
1009 | case kOCDepState_NeedSpaceBeforeDigit:
|
---|
1010 | if (!MY_IS_BLANK(*pszInput))
|
---|
1011 | break;
|
---|
1012 | pszInput++;
|
---|
1013 | cchInput--;
|
---|
1014 | /* fall thru */
|
---|
1015 |
|
---|
1016 | case kOCDepState_NeedFirstDigit:
|
---|
1017 | while (cchInput > 0 && MY_IS_BLANK(*pszInput))
|
---|
1018 | cchInput--, pszInput++;
|
---|
1019 | if (!cchInput)
|
---|
1020 | return pDepState->enmState = kOCDepState_NeedFirstDigit;
|
---|
1021 |
|
---|
1022 | if (!isdigit(*pszInput))
|
---|
1023 | break;
|
---|
1024 | pszInput++;
|
---|
1025 | cchInput--;
|
---|
1026 | /* fall thru */
|
---|
1027 |
|
---|
1028 | case kOCDepState_NeedMoreDigits:
|
---|
1029 | while (cchInput > 0 && isdigit(*pszInput))
|
---|
1030 | cchInput--, pszInput++;
|
---|
1031 | if (!cchInput)
|
---|
1032 | return pDepState->enmState = kOCDepState_NeedMoreDigits;
|
---|
1033 | /* fall thru */
|
---|
1034 |
|
---|
1035 | case kOCDepState_NeedQuote:
|
---|
1036 | while (cchInput > 0 && MY_IS_BLANK(*pszInput))
|
---|
1037 | cchInput--, pszInput++;
|
---|
1038 | if (!cchInput)
|
---|
1039 | return pDepState->enmState = kOCDepState_NeedQuote;
|
---|
1040 |
|
---|
1041 | if (*pszInput != '"')
|
---|
1042 | break;
|
---|
1043 | pszInput++;
|
---|
1044 | cchInput--;
|
---|
1045 | /* fall thru */
|
---|
1046 |
|
---|
1047 | case kOCDepState_NeedEndQuote:
|
---|
1048 | {
|
---|
1049 | uint32_t off = pDepState->offFilename;
|
---|
1050 | for (;;)
|
---|
1051 | {
|
---|
1052 | char ch;
|
---|
1053 |
|
---|
1054 | if (!cchInput)
|
---|
1055 | {
|
---|
1056 | pDepState->offFilename = off;
|
---|
1057 | return pDepState->enmState = kOCDepState_NeedEndQuote;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | if (off + 1 >= pDepState->cbFilenameAlloced)
|
---|
1061 | {
|
---|
1062 | if (!pDepState->cbFilenameAlloced)
|
---|
1063 | pDepState->cbFilenameAlloced = 32;
|
---|
1064 | else
|
---|
1065 | pDepState->cbFilenameAlloced *= 2;
|
---|
1066 | pDepState->pszFilename = (char *)xrealloc(pDepState->pszFilename, pDepState->cbFilenameAlloced);
|
---|
1067 | }
|
---|
1068 | pDepState->pszFilename[off] = ch = *pszInput++;
|
---|
1069 | cchInput--;
|
---|
1070 |
|
---|
1071 | if ( ch == '"'
|
---|
1072 | && ( off == 0
|
---|
1073 | || pDepState->pszFilename[off - 1] != '\\'
|
---|
1074 | || !kOCDepIsEscaped(pDepState->pszFilename, off)))
|
---|
1075 | {
|
---|
1076 | /* Done, unescape and add the file. */
|
---|
1077 | size_t cchFilename;
|
---|
1078 |
|
---|
1079 | pDepState->pszFilename[off] = '\0';
|
---|
1080 | cchFilename = kOCDepUnescape(pDepState->pszFilename);
|
---|
1081 |
|
---|
1082 | if ( !pDepState->pCurDep
|
---|
1083 | || cchFilename != pDepState->pCurDep->cchFilename
|
---|
1084 | || strcmp(pDepState->pszFilename, pDepState->pCurDep->szFilename))
|
---|
1085 | pDepState->pCurDep = depAdd(&pDepState->Core, pDepState->pszFilename, cchFilename);
|
---|
1086 | pDepState->offFilename = 0;
|
---|
1087 | break;
|
---|
1088 | }
|
---|
1089 |
|
---|
1090 | off++;
|
---|
1091 | }
|
---|
1092 | }
|
---|
1093 | /* fall thru */
|
---|
1094 |
|
---|
1095 | case kOCDepState_Invalid:
|
---|
1096 | assert(0);
|
---|
1097 | break;
|
---|
1098 | }
|
---|
1099 |
|
---|
1100 | /* next newline */
|
---|
1101 | enmState = kOCDepState_NeedNewLine;
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | return pDepState->enmState = enmState;
|
---|
1105 | }
|
---|
1106 |
|
---|
1107 |
|
---|
1108 | /**
|
---|
1109 | * Writes the dependencies to the specified file.
|
---|
1110 | *
|
---|
1111 | * @param pDepState The dependency collector state.
|
---|
1112 | * @param pszFilename The name of the dependency file.
|
---|
1113 | * @param pszObjFile The object file name, relative to @a pszObjDir.
|
---|
1114 | * @param pszObjDir The object file directory.
|
---|
1115 | * @param fFixCase Whether to fix the case of dependency files.
|
---|
1116 | * @param fQuiet Whether to be quiet about the dependencies.
|
---|
1117 | * @param fGenStubs Whether to generate stubs.
|
---|
1118 | */
|
---|
1119 | static void kOCDepWriteToFile(PKOCDEP pDepState, const char *pszFilename, const char *pszObjFile, const char *pszObjDir,
|
---|
1120 | int fFixCase, int fQuiet, int fGenStubs)
|
---|
1121 | {
|
---|
1122 | char *pszObjFileAbs;
|
---|
1123 | char *psz;
|
---|
1124 | FILE *pFile = fopen(pszFilename, "w");
|
---|
1125 | if (!pFile)
|
---|
1126 | FatalMsg("Failed to open dependency file '%s': %s\n", pszFilename, strerror(errno));
|
---|
1127 |
|
---|
1128 | depOptimize(&pDepState->Core, fFixCase, fQuiet, NULL /*pszIgnoredExt*/);
|
---|
1129 |
|
---|
1130 | /* Make object file name with unix slashes. */
|
---|
1131 | pszObjFileAbs = MakePathFromDirAndFile(pszObjFile, pszObjDir);
|
---|
1132 | psz = pszObjFileAbs;
|
---|
1133 | while ((psz = strchr(psz, '\\')) != NULL)
|
---|
1134 | *psz++ = '/';
|
---|
1135 |
|
---|
1136 | depPrintTargetWithDeps(&pDepState->Core, pFile, pszObjFileAbs, 1 /*fEscapeTarget*/);
|
---|
1137 | free(pszObjFileAbs);
|
---|
1138 | if (fGenStubs)
|
---|
1139 | depPrintStubs(&pDepState->Core, pFile);
|
---|
1140 |
|
---|
1141 | if (fclose(pFile) != 0)
|
---|
1142 | FatalMsg("Failed to write dependency file '%s': %s\n", pszFilename, strerror(errno));
|
---|
1143 | }
|
---|
1144 |
|
---|
1145 |
|
---|
1146 | /**
|
---|
1147 | * Preprocessor output reader state.
|
---|
1148 | */
|
---|
1149 | typedef struct KOCCPPRD
|
---|
1150 | {
|
---|
1151 | /** Pointer to the preprocessor output. */
|
---|
1152 | char *pszBuf;
|
---|
1153 | /** Allocated buffer size. */
|
---|
1154 | size_t cbBufAlloc;
|
---|
1155 | /** Amount preprocessor output that we've completed optimizations for. */
|
---|
1156 | size_t cchDstOptimized;
|
---|
1157 | /** Offset to the start of the unoptimized source. */
|
---|
1158 | size_t offSrcUnoptimized;
|
---|
1159 | /** The offset of the next bits to process. */
|
---|
1160 | size_t offSrcCur;
|
---|
1161 | /** The offset where to put more raw preprocessor output. */
|
---|
1162 | size_t offSrcRead;
|
---|
1163 | /** The line number corresponding to offOptimized. */
|
---|
1164 | uint32_t uOptLineNo;
|
---|
1165 | /** The current line number. */
|
---|
1166 | uint32_t uCurLineNo;
|
---|
1167 | /** Set if we're done, clear if we're expecting more preprocessor output. */
|
---|
1168 | int fDone;
|
---|
1169 | /** The saved character at cchOptimized. */
|
---|
1170 | char chSaved;
|
---|
1171 | /** Whether the optimizations are enabled. */
|
---|
1172 | int fOptimize;
|
---|
1173 |
|
---|
1174 | /** Buffer holding the current file name (unescaped). */
|
---|
1175 | char *pszFileNmBuf;
|
---|
1176 | /** The size of the file name buffer. */
|
---|
1177 | size_t cbFileNmBuf;
|
---|
1178 | /** The length of the current file string. */
|
---|
1179 | size_t cchCurFileNm;
|
---|
1180 |
|
---|
1181 | /** Line directive / new line sequence buffer. */
|
---|
1182 | char *pszLineBuf;
|
---|
1183 | /** The size of the buffer pointed to by pszLineBuf. */
|
---|
1184 | size_t cbLineBuf;
|
---|
1185 |
|
---|
1186 | /** Set if we should work the dependency generator as well. */
|
---|
1187 | PKOCDEP pDepState;
|
---|
1188 | } KOCCPPRD;
|
---|
1189 | /** Pointer to a preprocessor reader state. */
|
---|
1190 | typedef KOCCPPRD *PKOCCPPRD;
|
---|
1191 |
|
---|
1192 |
|
---|
1193 | /**
|
---|
1194 | * Allocate the initial C preprocessor output buffer.
|
---|
1195 | *
|
---|
1196 | * @param pCppRd The C preprocessor reader instance.
|
---|
1197 | * @param cbOldCpp The size of the output the last time. This is 0 if
|
---|
1198 | * there was not previous run.
|
---|
1199 | * @param fOptimize Whether optimizations are enabled.
|
---|
1200 | * @param pDepState Pointer to the dependency generator. Must only be set
|
---|
1201 | * if @a fOptimize is also set.
|
---|
1202 | */
|
---|
1203 | static void kOCCppRdInit(PKOCCPPRD pCppRd, size_t cbOldCpp, int fOptimize, PKOCDEP pDepState)
|
---|
1204 | {
|
---|
1205 | assert(!pDepState || fOptimize);
|
---|
1206 |
|
---|
1207 | pCppRd->cbBufAlloc = cbOldCpp ? (cbOldCpp + KOC_BUF_INCR) & ~(KOC_BUF_ALIGNMENT - 1) : KOC_BUF_MIN;
|
---|
1208 | pCppRd->pszBuf = xmalloc(pCppRd->cbBufAlloc);
|
---|
1209 | pCppRd->cchCurFileNm = 0;
|
---|
1210 | pCppRd->cchDstOptimized = 0;
|
---|
1211 | pCppRd->offSrcUnoptimized = 0;
|
---|
1212 | pCppRd->offSrcCur = 0;
|
---|
1213 | pCppRd->offSrcRead = 0;
|
---|
1214 | pCppRd->uOptLineNo = 1;
|
---|
1215 | pCppRd->uCurLineNo = 1;
|
---|
1216 | pCppRd->fDone = 0;
|
---|
1217 | pCppRd->chSaved = 0;
|
---|
1218 | pCppRd->fOptimize = fOptimize;
|
---|
1219 |
|
---|
1220 | pCppRd->pszFileNmBuf = NULL;
|
---|
1221 | pCppRd->cbFileNmBuf = 0;
|
---|
1222 | pCppRd->cchCurFileNm = 0;
|
---|
1223 |
|
---|
1224 | pCppRd->pszLineBuf = NULL;
|
---|
1225 | pCppRd->cbLineBuf = 0;
|
---|
1226 |
|
---|
1227 | pCppRd->pDepState = pDepState;
|
---|
1228 | }
|
---|
1229 |
|
---|
1230 |
|
---|
1231 | static void kOCCppRdDelete(PKOCCPPRD pCppRd)
|
---|
1232 | {
|
---|
1233 | free(pCppRd->pszBuf);
|
---|
1234 | pCppRd->pszBuf = NULL;
|
---|
1235 |
|
---|
1236 | free(pCppRd->pszFileNmBuf);
|
---|
1237 | pCppRd->pszFileNmBuf = NULL;
|
---|
1238 |
|
---|
1239 | free(pCppRd->pszLineBuf);
|
---|
1240 | pCppRd->pszLineBuf = NULL;
|
---|
1241 | }
|
---|
1242 |
|
---|
1243 |
|
---|
1244 | /**
|
---|
1245 | * Allocate more buffer space for the C preprocessor output.
|
---|
1246 | *
|
---|
1247 | * @param pCppRd The C preprocessor reader instance.
|
---|
1248 | */
|
---|
1249 | static size_t kOCCppRdGrowBuffer(PKOCCPPRD pCppRd)
|
---|
1250 | {
|
---|
1251 | pCppRd->cbBufAlloc += KOC_BUF_INCR;
|
---|
1252 | pCppRd->pszBuf = xrealloc(pCppRd->pszBuf, pCppRd->cbBufAlloc);
|
---|
1253 |
|
---|
1254 | return pCppRd->cbBufAlloc - pCppRd->offSrcRead;
|
---|
1255 | }
|
---|
1256 |
|
---|
1257 |
|
---|
1258 | static size_t kOCCppRdOptInsert(PKOCCPPRD pCppRd, size_t cchSrcReplaced, const char *pchInsert, size_t cchInsert)
|
---|
1259 | {
|
---|
1260 | size_t offDelta = 0;
|
---|
1261 | size_t cchAvail;
|
---|
1262 |
|
---|
1263 | pCppRd->offSrcUnoptimized += cchSrcReplaced;
|
---|
1264 | assert(pCppRd->offSrcUnoptimized <= pCppRd->offSrcCur);
|
---|
1265 | cchAvail = pCppRd->offSrcUnoptimized - pCppRd->cchDstOptimized;
|
---|
1266 | if (cchAvail < cchInsert)
|
---|
1267 | {
|
---|
1268 | size_t const cbToMove = pCppRd->offSrcRead - pCppRd->offSrcUnoptimized;
|
---|
1269 | assert(cbToMove <= pCppRd->offSrcRead);
|
---|
1270 | offDelta = cchInsert - cchAvail;
|
---|
1271 |
|
---|
1272 | while (pCppRd->offSrcRead + offDelta >= pCppRd->cbBufAlloc)
|
---|
1273 | kOCCppRdGrowBuffer(pCppRd);
|
---|
1274 |
|
---|
1275 | g_cMemMoves++;
|
---|
1276 | g_cbMemMoved += cbToMove + 1;
|
---|
1277 | memmove(pCppRd->pszBuf + pCppRd->offSrcUnoptimized + offDelta,
|
---|
1278 | pCppRd->pszBuf + pCppRd->offSrcUnoptimized,
|
---|
1279 | cbToMove + 1);
|
---|
1280 |
|
---|
1281 | pCppRd->offSrcRead += offDelta;
|
---|
1282 | pCppRd->offSrcUnoptimized += offDelta;
|
---|
1283 | pCppRd->offSrcCur += offDelta;
|
---|
1284 | assert(pCppRd->offSrcRead < 1 || pCppRd->pszBuf[pCppRd->offSrcRead - 1] != '\0');
|
---|
1285 | }
|
---|
1286 |
|
---|
1287 | memcpy(pCppRd->pszBuf + pCppRd->cchDstOptimized, pchInsert, cchInsert);
|
---|
1288 | pCppRd->cchDstOptimized += cchInsert;
|
---|
1289 |
|
---|
1290 | return offDelta;
|
---|
1291 | }
|
---|
1292 |
|
---|
1293 |
|
---|
1294 | static void kOCCppRdOptCommit(PKOCCPPRD pCppRd)
|
---|
1295 | {
|
---|
1296 | size_t cchToCommit = pCppRd->offSrcCur - pCppRd->offSrcUnoptimized;
|
---|
1297 | assert(pCppRd->offSrcUnoptimized <= pCppRd->offSrcCur);
|
---|
1298 |
|
---|
1299 | if (cchToCommit)
|
---|
1300 | {
|
---|
1301 | memmove(pCppRd->pszBuf + pCppRd->cchDstOptimized, pCppRd->pszBuf + pCppRd->offSrcUnoptimized, cchToCommit);
|
---|
1302 | pCppRd->cchDstOptimized += cchToCommit;
|
---|
1303 | pCppRd->offSrcUnoptimized = pCppRd->offSrcCur;
|
---|
1304 | }
|
---|
1305 |
|
---|
1306 | pCppRd->uOptLineNo = pCppRd->uCurLineNo;
|
---|
1307 | }
|
---|
1308 |
|
---|
1309 |
|
---|
1310 |
|
---|
1311 | static char *kOCCppRdOptGetEol(PKOCCPPRD pCppRd, char *pszCur, size_t cbLeft)
|
---|
1312 | {
|
---|
1313 | char *pszEol = memchr(pszCur, '\n', cbLeft);
|
---|
1314 | if (pszEol)
|
---|
1315 | {
|
---|
1316 | if (pszCur != pszEol && pszEol[-1] == '\r')
|
---|
1317 | pszEol--;
|
---|
1318 | }
|
---|
1319 | else if (pCppRd->fDone && cbLeft)
|
---|
1320 | pszEol = pszCur + cbLeft;
|
---|
1321 | return pszEol;
|
---|
1322 | }
|
---|
1323 |
|
---|
1324 | static void kOCCppRdOptSetFile(PKOCCPPRD pCppRd, const char *pchFile, size_t cchFile)
|
---|
1325 | {
|
---|
1326 | if (cchFile >= pCppRd->cbFileNmBuf)
|
---|
1327 | {
|
---|
1328 | pCppRd->cbFileNmBuf = (cchFile + 15 + 1) & ~(size_t)15;
|
---|
1329 | pCppRd->pszFileNmBuf = xrealloc(pCppRd->pszFileNmBuf, pCppRd->cbFileNmBuf);
|
---|
1330 | }
|
---|
1331 | memcpy(pCppRd->pszFileNmBuf, pchFile, cchFile);
|
---|
1332 | pCppRd->pszFileNmBuf[cchFile] = '\0';
|
---|
1333 | pCppRd->cchCurFileNm = cchFile;
|
---|
1334 | }
|
---|
1335 |
|
---|
1336 |
|
---|
1337 | static size_t kOCCppRdOptFmtLine(PKOCCPPRD pCppRd, uint32_t uLine, const char *pchFile, size_t cchFile)
|
---|
1338 | {
|
---|
1339 | size_t cchUsed;
|
---|
1340 | size_t cbNeeded;
|
---|
1341 |
|
---|
1342 | /* Make sure we've got enough buffer space. */
|
---|
1343 | cbNeeded = sizeof("#line 4888222111 \"\"\n") + cchFile;
|
---|
1344 | if (cbNeeded > pCppRd->cbLineBuf)
|
---|
1345 | {
|
---|
1346 | pCppRd->cbLineBuf = (cbNeeded + 32 + 15) & ~(size_t)15;
|
---|
1347 | pCppRd->pszLineBuf = xrealloc(pCppRd->pszLineBuf, pCppRd->cbLineBuf);
|
---|
1348 | }
|
---|
1349 |
|
---|
1350 | /* Do the formatting. */
|
---|
1351 | cchUsed = sprintf(pCppRd->pszLineBuf, "#line %lu", (unsigned long)uLine);
|
---|
1352 | if (cchFile)
|
---|
1353 | {
|
---|
1354 | pCppRd->pszLineBuf[cchUsed++] = ' ';
|
---|
1355 | pCppRd->pszLineBuf[cchUsed++] = '"';
|
---|
1356 | memcpy(&pCppRd->pszLineBuf[cchUsed], pchFile, cchFile);
|
---|
1357 | cchUsed += cchFile;
|
---|
1358 | pCppRd->pszLineBuf[cchUsed++] = '"';
|
---|
1359 | }
|
---|
1360 | pCppRd->pszLineBuf[cchUsed++] = '\n';
|
---|
1361 | pCppRd->pszLineBuf[cchUsed] = '\0';
|
---|
1362 |
|
---|
1363 | return cchUsed;
|
---|
1364 | }
|
---|
1365 |
|
---|
1366 |
|
---|
1367 | static size_t kOCCppRdOptFmtNewLines(PKOCCPPRD pCppRd, uint32_t cNewLines)
|
---|
1368 | {
|
---|
1369 | if (cNewLines + 1 > pCppRd->cbLineBuf)
|
---|
1370 | {
|
---|
1371 | pCppRd->cbLineBuf = (cNewLines + 1 + 32 + 15) & ~(size_t)15;
|
---|
1372 | pCppRd->pszLineBuf = xrealloc(pCppRd->pszLineBuf, pCppRd->cbLineBuf);
|
---|
1373 | }
|
---|
1374 |
|
---|
1375 | memset(pCppRd->pszLineBuf, '\n', cNewLines);
|
---|
1376 | pCppRd->pszLineBuf[cNewLines] = '\0';
|
---|
1377 | return cNewLines;
|
---|
1378 | }
|
---|
1379 |
|
---|
1380 |
|
---|
1381 | static size_t kOCCppRdOptFlush(PKOCCPPRD pCppRd, size_t offSrcCur, int fLineDirNext)
|
---|
1382 | {
|
---|
1383 | size_t offDelta = 0;
|
---|
1384 | size_t const offSrcUnoptimized = pCppRd->offSrcUnoptimized;
|
---|
1385 | assert(offSrcUnoptimized <= offSrcCur);
|
---|
1386 |
|
---|
1387 | if (offSrcCur > offSrcUnoptimized)
|
---|
1388 | {
|
---|
1389 | /*
|
---|
1390 | * We've got unflushed whitelines.
|
---|
1391 | */
|
---|
1392 | size_t const cchSrcInQuestion = offSrcCur - offSrcUnoptimized;
|
---|
1393 | uint32_t const cLinesInQuestion = pCppRd->uCurLineNo - pCppRd->uOptLineNo;
|
---|
1394 | size_t cchLineDir;
|
---|
1395 |
|
---|
1396 | if ( cLinesInQuestion <= 7
|
---|
1397 | || (cchLineDir = kOCCppRdOptFmtLine(pCppRd, pCppRd->uCurLineNo, NULL, 0)) >= cLinesInQuestion)
|
---|
1398 | cchLineDir = kOCCppRdOptFmtNewLines(pCppRd, cLinesInQuestion);
|
---|
1399 |
|
---|
1400 | offDelta = kOCCppRdOptInsert(pCppRd, cchSrcInQuestion, pCppRd->pszLineBuf, cchLineDir);
|
---|
1401 | }
|
---|
1402 |
|
---|
1403 | (void)fLineDirNext; /* Use later if required. */
|
---|
1404 | return offDelta;
|
---|
1405 | }
|
---|
1406 |
|
---|
1407 |
|
---|
1408 | static int kOCCppRdOptParseLine(PKOCCPPRD pCppRd, char *pszCur, char *pszEol,
|
---|
1409 | uint32_t *puNewLineNo, char **ppszNewFile, size_t *pcchNewFile)
|
---|
1410 | {
|
---|
1411 | char *psz = pszCur;
|
---|
1412 | uint32_t uNewLineNo;
|
---|
1413 | int fIsShort;
|
---|
1414 |
|
---|
1415 | /*
|
---|
1416 | * Check if it's a #line directive of some kind and parse it.
|
---|
1417 | */
|
---|
1418 | if (*psz != '#')
|
---|
1419 | return 0;
|
---|
1420 | psz++;
|
---|
1421 |
|
---|
1422 | fIsShort = MY_IS_BLANK(*psz);
|
---|
1423 | while (MY_IS_BLANK(*psz))
|
---|
1424 | psz++;
|
---|
1425 |
|
---|
1426 | if ( psz[0] == 'l'
|
---|
1427 | && psz[1] == 'i'
|
---|
1428 | && psz[2] == 'n'
|
---|
1429 | && psz[3] == 'e'
|
---|
1430 | && MY_IS_BLANK(psz[4]) )
|
---|
1431 | {
|
---|
1432 | fIsShort = 0;
|
---|
1433 | psz += 5;
|
---|
1434 | while (MY_IS_BLANK(*psz))
|
---|
1435 | psz++;
|
---|
1436 | }
|
---|
1437 | else if (fIsShort && isdigit(*psz))
|
---|
1438 | fIsShort = 1;
|
---|
1439 | else
|
---|
1440 | return 0;
|
---|
1441 |
|
---|
1442 | /* Parse the line number. */
|
---|
1443 | if (!isdigit(*psz))
|
---|
1444 | return 0;
|
---|
1445 |
|
---|
1446 | uNewLineNo = *psz++ - '0';
|
---|
1447 | while (isdigit(*psz))
|
---|
1448 | {
|
---|
1449 | uNewLineNo *= 10;
|
---|
1450 | uNewLineNo += *psz++ - '0';
|
---|
1451 | }
|
---|
1452 | if ( psz != pszEol
|
---|
1453 | && !MY_IS_BLANK(*psz))
|
---|
1454 | return 0;
|
---|
1455 |
|
---|
1456 | /*
|
---|
1457 | * The file name part is optional.
|
---|
1458 | */
|
---|
1459 | while (MY_IS_BLANK(*psz))
|
---|
1460 | psz++;
|
---|
1461 |
|
---|
1462 | if ( psz != pszEol
|
---|
1463 | && *psz == '"')
|
---|
1464 | {
|
---|
1465 | *ppszNewFile = ++psz;
|
---|
1466 | while ( psz != pszEol
|
---|
1467 | && ( *psz != '"'
|
---|
1468 | || ( psz[-1] == '\\'
|
---|
1469 | && kOCDepIsEscaped(psz, psz - *ppszNewFile)) )
|
---|
1470 | )
|
---|
1471 | psz++;
|
---|
1472 | if (psz == pszEol)
|
---|
1473 | {
|
---|
1474 | /** @todo complain? */
|
---|
1475 | return 0;
|
---|
1476 | }
|
---|
1477 | *pcchNewFile = psz - *ppszNewFile;
|
---|
1478 |
|
---|
1479 | do
|
---|
1480 | psz++;
|
---|
1481 | while (psz != pszEol && MY_IS_BLANK(*psz));
|
---|
1482 | }
|
---|
1483 | else
|
---|
1484 | {
|
---|
1485 | /* No file given => Same as the current. */
|
---|
1486 | *ppszNewFile = pCppRd->cchCurFileNm ? pCppRd->pszFileNmBuf : NULL;
|
---|
1487 | *pcchNewFile = pCppRd->cchCurFileNm;
|
---|
1488 | }
|
---|
1489 | if (psz != pszEol)
|
---|
1490 | {
|
---|
1491 | /** @todo complain? */
|
---|
1492 | return 0;
|
---|
1493 | }
|
---|
1494 |
|
---|
1495 | *puNewLineNo = uNewLineNo;
|
---|
1496 | return 1;
|
---|
1497 | }
|
---|
1498 |
|
---|
1499 |
|
---|
1500 | static char *kOCCppRdOptHandleLine(PKOCCPPRD pCppRd, char *pszCur, size_t *pcbLeft, int *pfEmptyLine, char *pszEol)
|
---|
1501 | {
|
---|
1502 | size_t const offSrcLine = pCppRd->offSrcCur;
|
---|
1503 | size_t const cchSrcLine = pszEol - pCppRd->pszBuf - (pCppRd->fOptimize & 2 ? pCppRd->offSrcUnoptimized : pCppRd->offSrcCur);
|
---|
1504 | size_t const cbLeftAssert = *pcbLeft;
|
---|
1505 | char *pszNewFile;
|
---|
1506 | size_t cchNewFile;
|
---|
1507 | uint32_t uNewLineNo;
|
---|
1508 | assert(*pszEol == '\r' || *pszEol == '\n' || *pszEol == '\0');
|
---|
1509 |
|
---|
1510 | /* Advance to the end of the line before we do anything. This can be a
|
---|
1511 | little confusing but it saves effort and avoid trouble in the end. */
|
---|
1512 | pCppRd->offSrcCur = pszEol - pCppRd->pszBuf;
|
---|
1513 | *pcbLeft -= pszEol - pszCur;
|
---|
1514 | assert(*pcbLeft <= cbLeftAssert); (void)cbLeftAssert;
|
---|
1515 |
|
---|
1516 | /*
|
---|
1517 | * Try parse the directive a '#line' one....
|
---|
1518 | */
|
---|
1519 | if (!kOCCppRdOptParseLine(pCppRd, pszCur, pszEol, &uNewLineNo, &pszNewFile, &cchNewFile))
|
---|
1520 | {
|
---|
1521 | /*
|
---|
1522 | * No line directive. Flush pending optimizations and indicate that
|
---|
1523 | * the line isn't empty and needs to be commited at EOL.
|
---|
1524 | */
|
---|
1525 | kOCCppRdOptFlush(pCppRd, offSrcLine, 0);
|
---|
1526 | *pfEmptyLine = 0;
|
---|
1527 | }
|
---|
1528 | else
|
---|
1529 | {
|
---|
1530 | char *pszCurFile = pCppRd->cchCurFileNm ? pCppRd->pszFileNmBuf : NULL;
|
---|
1531 | if ( pszNewFile == pszCurFile
|
---|
1532 | || ( cchNewFile == pCppRd->cchCurFileNm
|
---|
1533 | && !memcmp(pszNewFile, pszCurFile, cchNewFile)) )
|
---|
1534 | {
|
---|
1535 | /*
|
---|
1536 | * A #line directive specifying the same file.
|
---|
1537 | */
|
---|
1538 | if (uNewLineNo >= pCppRd->uCurLineNo)
|
---|
1539 | *pfEmptyLine = 1;
|
---|
1540 | else
|
---|
1541 | {
|
---|
1542 | /*
|
---|
1543 | * It went backwards, so we need to flush the old section of
|
---|
1544 | * the file and emit another directive for starting the new one.
|
---|
1545 | */
|
---|
1546 | size_t cchLineDir;
|
---|
1547 | if (!(pCppRd->fOptimize & 2))
|
---|
1548 | kOCCppRdOptFlush(pCppRd, offSrcLine, 1);
|
---|
1549 |
|
---|
1550 | cchLineDir = kOCCppRdOptFmtLine(pCppRd, uNewLineNo, NULL, 0) - 1; /* sans \n */
|
---|
1551 | kOCCppRdOptInsert(pCppRd, cchSrcLine, pCppRd->pszLineBuf, cchLineDir);
|
---|
1552 |
|
---|
1553 | *pfEmptyLine = 0;
|
---|
1554 | }
|
---|
1555 | }
|
---|
1556 | else
|
---|
1557 | {
|
---|
1558 | /*
|
---|
1559 | * The #line directive changed the file.
|
---|
1560 | */
|
---|
1561 | size_t cchLineDir;
|
---|
1562 |
|
---|
1563 | kOCCppRdOptSetFile(pCppRd, pszNewFile, cchNewFile); /* save to do this early */
|
---|
1564 | if (!(pCppRd->fOptimize & 2))
|
---|
1565 | kOCCppRdOptFlush(pCppRd, offSrcLine, 1);
|
---|
1566 |
|
---|
1567 | cchLineDir = kOCCppRdOptFmtLine(pCppRd, uNewLineNo, pCppRd->pszFileNmBuf, cchNewFile) - 1; /* sans \n */
|
---|
1568 | kOCCppRdOptInsert(pCppRd, cchSrcLine, pCppRd->pszLineBuf, cchLineDir);
|
---|
1569 |
|
---|
1570 | if (pCppRd->pDepState)
|
---|
1571 | kOCDepEnter(pCppRd->pDepState, pCppRd->pszFileNmBuf, cchNewFile);
|
---|
1572 |
|
---|
1573 | *pfEmptyLine = 0;
|
---|
1574 | }
|
---|
1575 |
|
---|
1576 | pCppRd->uCurLineNo = uNewLineNo - 1;
|
---|
1577 | }
|
---|
1578 |
|
---|
1579 | return pCppRd->pszBuf + pCppRd->offSrcCur;
|
---|
1580 | }
|
---|
1581 |
|
---|
1582 |
|
---|
1583 | static void kOCCppRdOpt(PKOCCPPRD pCppRd)
|
---|
1584 | {
|
---|
1585 | size_t cch;
|
---|
1586 | char *pszEol;
|
---|
1587 | char *pszCur = pCppRd->pszBuf + pCppRd->offSrcCur;
|
---|
1588 | size_t cbTodo = pCppRd->offSrcRead - pCppRd->offSrcCur;
|
---|
1589 | int fEmptyLine = 1;
|
---|
1590 |
|
---|
1591 | while (cbTodo > 0)
|
---|
1592 | {
|
---|
1593 | switch (*pszCur)
|
---|
1594 | {
|
---|
1595 | case ' ':
|
---|
1596 | case '\t':
|
---|
1597 | break;
|
---|
1598 |
|
---|
1599 | case '\n':
|
---|
1600 | pCppRd->offSrcCur = pszCur - pCppRd->pszBuf + 1;
|
---|
1601 | pCppRd->uCurLineNo++;
|
---|
1602 | if (!fEmptyLine)
|
---|
1603 | kOCCppRdOptCommit(pCppRd);
|
---|
1604 | fEmptyLine = 1;
|
---|
1605 | break;
|
---|
1606 |
|
---|
1607 | case '\r': /* "\r\n" -> "\n" */
|
---|
1608 | if (cbTodo <= 1 && !pCppRd->fDone)
|
---|
1609 | return;
|
---|
1610 | if (pszCur[1] == '\n' && !fEmptyLine)
|
---|
1611 | {
|
---|
1612 | /* Commit the part up to the '\r' first, replace '\r\n' with '\n'. */
|
---|
1613 | pCppRd->offSrcCur = pszCur - pCppRd->pszBuf;
|
---|
1614 | kOCCppRdOptCommit(pCppRd);
|
---|
1615 |
|
---|
1616 | pCppRd->offSrcCur += 2;
|
---|
1617 | kOCCppRdOptInsert(pCppRd, 2, "\n", 1);
|
---|
1618 |
|
---|
1619 | assert(cbTodo >= 2);
|
---|
1620 | cbTodo -= 2;
|
---|
1621 | pszCur += 2;
|
---|
1622 |
|
---|
1623 | fEmptyLine = 1;
|
---|
1624 | continue;
|
---|
1625 | }
|
---|
1626 | break;
|
---|
1627 |
|
---|
1628 | case '#':
|
---|
1629 | pszEol = kOCCppRdOptGetEol(pCppRd, pszCur + 1, cbTodo - 1);
|
---|
1630 | if (!pszEol)
|
---|
1631 | return;
|
---|
1632 | pszCur = kOCCppRdOptHandleLine(pCppRd, pszCur, &cbTodo, &fEmptyLine, pszEol);
|
---|
1633 | continue;
|
---|
1634 |
|
---|
1635 | default:
|
---|
1636 | /*
|
---|
1637 | * Some non-white stuff encountered, flush pending white
|
---|
1638 | * line optimizations and skip to the end of the line.
|
---|
1639 | */
|
---|
1640 | fEmptyLine = 0;
|
---|
1641 | pszEol = kOCCppRdOptGetEol(pCppRd, pszCur + 1, cbTodo - 1);
|
---|
1642 | if (!pszEol)
|
---|
1643 | return;
|
---|
1644 | cch = pszEol - pszCur;
|
---|
1645 |
|
---|
1646 | pszCur += kOCCppRdOptFlush(pCppRd, pCppRd->offSrcCur, 0);
|
---|
1647 |
|
---|
1648 | assert(cch <= cbTodo);
|
---|
1649 | cbTodo -= cch;
|
---|
1650 | pszCur += cch;
|
---|
1651 | continue;
|
---|
1652 | }
|
---|
1653 |
|
---|
1654 | cbTodo--;
|
---|
1655 | pszCur++;
|
---|
1656 | }
|
---|
1657 | }
|
---|
1658 |
|
---|
1659 |
|
---|
1660 | static void kOCCppRdOptFinalize(PKOCCPPRD pCppRd)
|
---|
1661 | {
|
---|
1662 | pCppRd->fDone = 1;
|
---|
1663 | assert(pCppRd->offSrcRead < 1 || pCppRd->pszBuf[pCppRd->offSrcRead - 1] != '\0');
|
---|
1664 | pCppRd->pszBuf[pCppRd->offSrcRead] = '\0';
|
---|
1665 | kOCCppRdOpt(pCppRd);
|
---|
1666 |
|
---|
1667 | assert(pCppRd->offSrcCur == pCppRd->offSrcRead);
|
---|
1668 | kOCCppRdOptFlush(pCppRd, pCppRd->offSrcCur, 0);
|
---|
1669 | }
|
---|
1670 |
|
---|
1671 |
|
---|
1672 |
|
---|
1673 | /**
|
---|
1674 | * Read C preprocessor output from the given file descriptor, optionally
|
---|
1675 | * optimzing it.
|
---|
1676 | *
|
---|
1677 | * @returns Number of bytes read. 0 indicates end of file.
|
---|
1678 | *
|
---|
1679 | * @param pCppRd The C preprocessor reader instance.
|
---|
1680 | * @param fdIn The file descriptor to read the raw preprocessor output
|
---|
1681 | * from.
|
---|
1682 | * @param ppszRet Where to return the pointer to the output.
|
---|
1683 | *
|
---|
1684 | * @remarks Won't return on error, calls FatalDie on those occasions.
|
---|
1685 | */
|
---|
1686 | static long kOCCppRdRead(PKOCCPPRD pCppRd, int fdIn, const char **ppszRet)
|
---|
1687 | {
|
---|
1688 | size_t cbLeft;
|
---|
1689 | long cbRead;
|
---|
1690 |
|
---|
1691 | if (pCppRd->fOptimize)
|
---|
1692 | {
|
---|
1693 | /*
|
---|
1694 | * Optimize the C preprocessor output on the way thru.
|
---|
1695 | */
|
---|
1696 | size_t const cchOldOptimized = pCppRd->cchDstOptimized;
|
---|
1697 | if (pCppRd->chSaved)
|
---|
1698 | pCppRd->pszBuf[pCppRd->cchDstOptimized] = pCppRd->chSaved;
|
---|
1699 |
|
---|
1700 | do
|
---|
1701 | {
|
---|
1702 | /* Read more raw C preprocessor output. */
|
---|
1703 | cbLeft = pCppRd->cbBufAlloc - pCppRd->offSrcRead;
|
---|
1704 | if (cbLeft <= 1)
|
---|
1705 | cbLeft = kOCCppRdGrowBuffer(pCppRd);
|
---|
1706 |
|
---|
1707 | do
|
---|
1708 | cbRead = read(fdIn, pCppRd->pszBuf + pCppRd->offSrcRead, (long)(cbLeft - 1));
|
---|
1709 | while (cbRead < 0 && errno == EINTR);
|
---|
1710 | if (cbRead < 0)
|
---|
1711 | FatalDie("kOCCppRdRead - read(%d,,%ld) failed: %s\n",
|
---|
1712 | fdIn, (long)(cbLeft - 1), strerror(errno));
|
---|
1713 | pCppRd->offSrcRead += cbRead;
|
---|
1714 |
|
---|
1715 | /* Optimize it. */
|
---|
1716 | if (!cbRead)
|
---|
1717 | {
|
---|
1718 | kOCCppRdOptFinalize(pCppRd);
|
---|
1719 | break;
|
---|
1720 | }
|
---|
1721 | kOCCppRdOpt(pCppRd);
|
---|
1722 | } while (pCppRd->cchDstOptimized == cchOldOptimized);
|
---|
1723 |
|
---|
1724 | *ppszRet = &pCppRd->pszBuf[cchOldOptimized];
|
---|
1725 | pCppRd->chSaved = pCppRd->pszBuf[pCppRd->cchDstOptimized];
|
---|
1726 | pCppRd->pszBuf[pCppRd->cchDstOptimized] = '\0';
|
---|
1727 | cbRead = (long)(pCppRd->cchDstOptimized - cchOldOptimized);
|
---|
1728 | }
|
---|
1729 | else
|
---|
1730 | {
|
---|
1731 | /*
|
---|
1732 | * Pass thru.
|
---|
1733 | */
|
---|
1734 | char *pszBuf;
|
---|
1735 | cbLeft = pCppRd->cbBufAlloc - pCppRd->offSrcRead;
|
---|
1736 | if (cbLeft <= 1)
|
---|
1737 | cbLeft = kOCCppRdGrowBuffer(pCppRd);
|
---|
1738 | pszBuf = pCppRd->pszBuf + pCppRd->offSrcRead;
|
---|
1739 |
|
---|
1740 | do
|
---|
1741 | cbRead = read(fdIn, pszBuf, (long)(cbLeft - 1));
|
---|
1742 | while (cbRead < 0 && errno == EINTR);
|
---|
1743 | if (cbRead < 0)
|
---|
1744 | FatalDie("kOCCppRdRead - read(%d,,%ld) failed: %s\n",
|
---|
1745 | fdIn, (long)(cbLeft - 1), strerror(errno));
|
---|
1746 |
|
---|
1747 | *ppszRet = pszBuf;
|
---|
1748 | pCppRd->offSrcRead += cbRead;
|
---|
1749 | pszBuf[cbRead] = '\0';
|
---|
1750 | }
|
---|
1751 |
|
---|
1752 | return cbRead;
|
---|
1753 | }
|
---|
1754 |
|
---|
1755 |
|
---|
1756 | /**
|
---|
1757 | * Grabs the output buffer from the C preprocessor reader.
|
---|
1758 | *
|
---|
1759 | * @param pCppRd The C preprocessor reader instance.
|
---|
1760 | * @param ppszRet Where to return the pointer to the output.
|
---|
1761 | * @param pcbRet Where to return the size of the output.
|
---|
1762 | */
|
---|
1763 | static void kOCCppRdGrabOutput(PKOCCPPRD pCppRd, char **ppszRet, size_t *pcbRet)
|
---|
1764 | {
|
---|
1765 | assert(pCppRd->offSrcRead < 1 || pCppRd->pszBuf[pCppRd->offSrcRead - 1] != '\0');
|
---|
1766 | *ppszRet = pCppRd->pszBuf;
|
---|
1767 | *pcbRet = pCppRd->fOptimize ? pCppRd->cchDstOptimized : pCppRd->offSrcRead;
|
---|
1768 | pCppRd->pszBuf = NULL;
|
---|
1769 | pCppRd->offSrcRead = 0;
|
---|
1770 | }
|
---|
1771 |
|
---|
1772 |
|
---|
1773 |
|
---|
1774 |
|
---|
1775 |
|
---|
1776 |
|
---|
1777 | /** A checksum list entry.
|
---|
1778 | * We keep a list checksums (of preprocessor output) that matches.
|
---|
1779 | *
|
---|
1780 | * The matching algorithm doesn't require the preprocessor output to be
|
---|
1781 | * indentical, only to produce the same object files.
|
---|
1782 | */
|
---|
1783 | typedef struct KOCSUM
|
---|
1784 | {
|
---|
1785 | /** The next checksum. */
|
---|
1786 | struct KOCSUM *pNext;
|
---|
1787 | /** The crc32 checksum. */
|
---|
1788 | uint32_t crc32;
|
---|
1789 | /** The MD5 digest. */
|
---|
1790 | unsigned char md5[16];
|
---|
1791 | /** Valid or not. */
|
---|
1792 | unsigned fUsed;
|
---|
1793 | } KOCSUM;
|
---|
1794 | /** Pointer to a KOCSUM. */
|
---|
1795 | typedef KOCSUM *PKOCSUM;
|
---|
1796 | /** Pointer to a const KOCSUM. */
|
---|
1797 | typedef const KOCSUM *PCKOCSUM;
|
---|
1798 |
|
---|
1799 |
|
---|
1800 | /**
|
---|
1801 | * Temporary context record used when calculating the checksum of some data.
|
---|
1802 | */
|
---|
1803 | typedef struct KOCSUMCTX
|
---|
1804 | {
|
---|
1805 | /** The MD5 context. */
|
---|
1806 | struct MD5Context MD5Ctx;
|
---|
1807 | } KOCSUMCTX;
|
---|
1808 | /** Pointer to a check context record. */
|
---|
1809 | typedef KOCSUMCTX *PKOCSUMCTX;
|
---|
1810 |
|
---|
1811 |
|
---|
1812 |
|
---|
1813 | /**
|
---|
1814 | * Initializes a checksum object with an associated context.
|
---|
1815 | *
|
---|
1816 | * @param pSum The checksum object.
|
---|
1817 | * @param pCtx The checksum context.
|
---|
1818 | */
|
---|
1819 | static void kOCSumInitWithCtx(PKOCSUM pSum, PKOCSUMCTX pCtx)
|
---|
1820 | {
|
---|
1821 | memset(pSum, 0, sizeof(*pSum));
|
---|
1822 | MD5Init(&pCtx->MD5Ctx);
|
---|
1823 | }
|
---|
1824 |
|
---|
1825 |
|
---|
1826 | /**
|
---|
1827 | * Updates the checksum calculation.
|
---|
1828 | *
|
---|
1829 | * @param pSum The checksum.
|
---|
1830 | * @param pCtx The checksum calcuation context.
|
---|
1831 | * @param pvBuf The input data to checksum.
|
---|
1832 | * @param cbBuf The size of the input data.
|
---|
1833 | */
|
---|
1834 | static void kOCSumUpdate(PKOCSUM pSum, PKOCSUMCTX pCtx, const void *pvBuf, size_t cbBuf)
|
---|
1835 | {
|
---|
1836 | /*
|
---|
1837 | * Take in relativly small chunks to try keep it in the cache.
|
---|
1838 | */
|
---|
1839 | const unsigned char *pb = (const unsigned char *)pvBuf;
|
---|
1840 | while (cbBuf > 0)
|
---|
1841 | {
|
---|
1842 | size_t cb = cbBuf >= 128*1024 ? 128*1024 : cbBuf;
|
---|
1843 | pSum->crc32 = crc32(pSum->crc32, pb, cb);
|
---|
1844 | MD5Update(&pCtx->MD5Ctx, pb, (unsigned)cb);
|
---|
1845 | cbBuf -= cb;
|
---|
1846 | }
|
---|
1847 | }
|
---|
1848 |
|
---|
1849 |
|
---|
1850 | /**
|
---|
1851 | * Finalizes a checksum calculation.
|
---|
1852 | *
|
---|
1853 | * @param pSum The checksum.
|
---|
1854 | * @param pCtx The checksum calcuation context.
|
---|
1855 | */
|
---|
1856 | static void kOCSumFinalize(PKOCSUM pSum, PKOCSUMCTX pCtx)
|
---|
1857 | {
|
---|
1858 | MD5Final(&pSum->md5[0], &pCtx->MD5Ctx);
|
---|
1859 | pSum->fUsed = 1;
|
---|
1860 | }
|
---|
1861 |
|
---|
1862 |
|
---|
1863 | /**
|
---|
1864 | * Init a check sum chain head.
|
---|
1865 | *
|
---|
1866 | * @param pSumHead The checksum head to init.
|
---|
1867 | */
|
---|
1868 | static void kOCSumInit(PKOCSUM pSumHead)
|
---|
1869 | {
|
---|
1870 | memset(pSumHead, 0, sizeof(*pSumHead));
|
---|
1871 | }
|
---|
1872 |
|
---|
1873 |
|
---|
1874 | /**
|
---|
1875 | * Parses the given string into a checksum head object.
|
---|
1876 | *
|
---|
1877 | * @returns 0 on success, -1 on format error.
|
---|
1878 | * @param pSumHead The checksum head to init.
|
---|
1879 | * @param pszVal The string to initialized it from.
|
---|
1880 | */
|
---|
1881 | static int kOCSumInitFromString(PKOCSUM pSumHead, const char *pszVal)
|
---|
1882 | {
|
---|
1883 | unsigned i;
|
---|
1884 | char *pszNext;
|
---|
1885 | char *pszMD5;
|
---|
1886 |
|
---|
1887 | memset(pSumHead, 0, sizeof(*pSumHead));
|
---|
1888 |
|
---|
1889 | pszMD5 = strchr(pszVal, ':');
|
---|
1890 | if (pszMD5 == NULL)
|
---|
1891 | return -1;
|
---|
1892 | *pszMD5++ = '\0';
|
---|
1893 |
|
---|
1894 | /* crc32 */
|
---|
1895 | pSumHead->crc32 = (uint32_t)strtoul(pszVal, &pszNext, 16);
|
---|
1896 | if (pszNext && *pszNext)
|
---|
1897 | return -1;
|
---|
1898 |
|
---|
1899 | /* md5 */
|
---|
1900 | for (i = 0; i < sizeof(pSumHead->md5) * 2; i++)
|
---|
1901 | {
|
---|
1902 | unsigned char ch = pszMD5[i];
|
---|
1903 | int x;
|
---|
1904 | if ((unsigned char)(ch - '0') <= 9)
|
---|
1905 | x = ch - '0';
|
---|
1906 | else if ((unsigned char)(ch - 'a') <= 5)
|
---|
1907 | x = ch - 'a' + 10;
|
---|
1908 | else if ((unsigned char)(ch - 'A') <= 5)
|
---|
1909 | x = ch - 'A' + 10;
|
---|
1910 | else
|
---|
1911 | return -1;
|
---|
1912 | if (!(i & 1))
|
---|
1913 | pSumHead->md5[i >> 1] = x << 4;
|
---|
1914 | else
|
---|
1915 | pSumHead->md5[i >> 1] |= x;
|
---|
1916 | }
|
---|
1917 |
|
---|
1918 | pSumHead->fUsed = 1;
|
---|
1919 | return 0;
|
---|
1920 | }
|
---|
1921 |
|
---|
1922 |
|
---|
1923 | /**
|
---|
1924 | * Delete a check sum chain.
|
---|
1925 | *
|
---|
1926 | * @param pSumHead The head of the checksum chain.
|
---|
1927 | */
|
---|
1928 | static void kOCSumDeleteChain(PKOCSUM pSumHead)
|
---|
1929 | {
|
---|
1930 | PKOCSUM pSum = pSumHead->pNext;
|
---|
1931 | while (pSum)
|
---|
1932 | {
|
---|
1933 | void *pvFree = pSum;
|
---|
1934 | pSum = pSum->pNext;
|
---|
1935 | free(pvFree);
|
---|
1936 | }
|
---|
1937 | memset(pSumHead, 0, sizeof(*pSumHead));
|
---|
1938 | }
|
---|
1939 |
|
---|
1940 |
|
---|
1941 | /**
|
---|
1942 | * Insert a check sum into the chain.
|
---|
1943 | *
|
---|
1944 | * @param pSumHead The head of the checksum list.
|
---|
1945 | * @param pSumAdd The checksum to add (duplicate).
|
---|
1946 | */
|
---|
1947 | static void kOCSumAdd(PKOCSUM pSumHead, PCKOCSUM pSumAdd)
|
---|
1948 | {
|
---|
1949 | if (pSumHead->fUsed)
|
---|
1950 | {
|
---|
1951 | PKOCSUM pNew = xmalloc(sizeof(*pNew));
|
---|
1952 | *pNew = *pSumAdd;
|
---|
1953 | pNew->pNext = pSumHead->pNext;
|
---|
1954 | pNew->fUsed = 1;
|
---|
1955 | pSumHead->pNext = pNew;
|
---|
1956 | }
|
---|
1957 | else
|
---|
1958 | {
|
---|
1959 | *pSumHead = *pSumAdd;
|
---|
1960 | pSumHead->pNext = NULL;
|
---|
1961 | pSumHead->fUsed = 1;
|
---|
1962 | }
|
---|
1963 | }
|
---|
1964 |
|
---|
1965 |
|
---|
1966 | /**
|
---|
1967 | * Inserts an entrie chain into the given check sum chain.
|
---|
1968 | *
|
---|
1969 | * @param pSumHead The head of the checksum list.
|
---|
1970 | * @param pSumHeadAdd The head of the checksum list to be added.
|
---|
1971 | */
|
---|
1972 | static void kOCSumAddChain(PKOCSUM pSumHead, PCKOCSUM pSumHeadAdd)
|
---|
1973 | {
|
---|
1974 | while (pSumHeadAdd)
|
---|
1975 | {
|
---|
1976 | kOCSumAdd(pSumHead, pSumHeadAdd);
|
---|
1977 | pSumHeadAdd = pSumHeadAdd->pNext;
|
---|
1978 | }
|
---|
1979 | }
|
---|
1980 |
|
---|
1981 |
|
---|
1982 |
|
---|
1983 | /**
|
---|
1984 | * Prints the checksum to the specified stream.
|
---|
1985 | *
|
---|
1986 | * @param pSum The checksum.
|
---|
1987 | * @param pFile The output file stream
|
---|
1988 | */
|
---|
1989 | static void kOCSumFPrintf(PCKOCSUM pSum, FILE *pFile)
|
---|
1990 | {
|
---|
1991 | fprintf(pFile, "%#x:%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",
|
---|
1992 | pSum->crc32,
|
---|
1993 | pSum->md5[0], pSum->md5[1], pSum->md5[2], pSum->md5[3],
|
---|
1994 | pSum->md5[4], pSum->md5[5], pSum->md5[6], pSum->md5[7],
|
---|
1995 | pSum->md5[8], pSum->md5[9], pSum->md5[10], pSum->md5[11],
|
---|
1996 | pSum->md5[12], pSum->md5[13], pSum->md5[14], pSum->md5[15]);
|
---|
1997 | }
|
---|
1998 |
|
---|
1999 |
|
---|
2000 | /**
|
---|
2001 | * Displays the checksum (not chain!) using the InfoMsg() method.
|
---|
2002 | *
|
---|
2003 | * @param pSum The checksum.
|
---|
2004 | * @param uLevel The info message level.
|
---|
2005 | * @param pszMsg Message to prefix the info message with.
|
---|
2006 | */
|
---|
2007 | static void kOCSumInfo(PCKOCSUM pSum, unsigned uLevel, const char *pszMsg)
|
---|
2008 | {
|
---|
2009 | InfoMsg(uLevel,
|
---|
2010 | "%s: crc32=%#010x md5=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",
|
---|
2011 | pszMsg,
|
---|
2012 | pSum->crc32,
|
---|
2013 | pSum->md5[0], pSum->md5[1], pSum->md5[2], pSum->md5[3],
|
---|
2014 | pSum->md5[4], pSum->md5[5], pSum->md5[6], pSum->md5[7],
|
---|
2015 | pSum->md5[8], pSum->md5[9], pSum->md5[10], pSum->md5[11],
|
---|
2016 | pSum->md5[12], pSum->md5[13], pSum->md5[14], pSum->md5[15]);
|
---|
2017 | }
|
---|
2018 |
|
---|
2019 |
|
---|
2020 | /**
|
---|
2021 | * Compares two check sum entries.
|
---|
2022 | *
|
---|
2023 | * @returns 1 if equal, 0 if not equal.
|
---|
2024 | *
|
---|
2025 | * @param pSum1 The first checksum.
|
---|
2026 | * @param pSum2 The second checksum.
|
---|
2027 | */
|
---|
2028 | static int kOCSumIsEqual(PCKOCSUM pSum1, PCKOCSUM pSum2)
|
---|
2029 | {
|
---|
2030 | if (pSum1 == pSum2)
|
---|
2031 | return 1;
|
---|
2032 | if (!pSum1 || !pSum2)
|
---|
2033 | return 0;
|
---|
2034 | if (pSum1->crc32 != pSum2->crc32)
|
---|
2035 | return 0;
|
---|
2036 | if (memcmp(&pSum1->md5[0], &pSum2->md5[0], sizeof(pSum1->md5)))
|
---|
2037 | return 0;
|
---|
2038 | return 1;
|
---|
2039 | }
|
---|
2040 |
|
---|
2041 |
|
---|
2042 | /**
|
---|
2043 | * Checks if the specified checksum equals one of the
|
---|
2044 | * checksums in the chain.
|
---|
2045 | *
|
---|
2046 | * @returns 1 if equals one of them, 0 if not.
|
---|
2047 | *
|
---|
2048 | * @param pSumHead The checksum chain too look in.
|
---|
2049 | * @param pSum The checksum to look for.
|
---|
2050 | * @todo ugly name. fix.
|
---|
2051 | */
|
---|
2052 | static int kOCSumHasEqualInChain(PCKOCSUM pSumHead, PCKOCSUM pSum)
|
---|
2053 | {
|
---|
2054 | for (; pSumHead; pSumHead = pSumHead->pNext)
|
---|
2055 | {
|
---|
2056 | if (pSumHead == pSum)
|
---|
2057 | return 1;
|
---|
2058 | if (pSumHead->crc32 != pSum->crc32)
|
---|
2059 | continue;
|
---|
2060 | if (memcmp(&pSumHead->md5[0], &pSum->md5[0], sizeof(pSumHead->md5)))
|
---|
2061 | continue;
|
---|
2062 | return 1;
|
---|
2063 | }
|
---|
2064 | return 0;
|
---|
2065 | }
|
---|
2066 |
|
---|
2067 |
|
---|
2068 | /**
|
---|
2069 | * Checks if the checksum (chain) empty.
|
---|
2070 | *
|
---|
2071 | * @returns 1 if empty, 0 if it there is one or more checksums.
|
---|
2072 | * @param pSum The checksum to test.
|
---|
2073 | */
|
---|
2074 | static int kOCSumIsEmpty(PCKOCSUM pSum)
|
---|
2075 | {
|
---|
2076 | return !pSum->fUsed;
|
---|
2077 | }
|
---|
2078 |
|
---|
2079 |
|
---|
2080 |
|
---|
2081 |
|
---|
2082 |
|
---|
2083 |
|
---|
2084 | /**
|
---|
2085 | * The representation of a cache entry.
|
---|
2086 | */
|
---|
2087 | typedef struct KOCENTRY
|
---|
2088 | {
|
---|
2089 | /** The name of the cache entry. */
|
---|
2090 | const char *pszName;
|
---|
2091 | /** The dir that all other names are relative to. */
|
---|
2092 | char *pszDir;
|
---|
2093 | /** The absolute path. */
|
---|
2094 | char *pszAbsPath;
|
---|
2095 | /** Set if the object needs to be (re)compiled. */
|
---|
2096 | unsigned fNeedCompiling;
|
---|
2097 | /** Whether the preprocessor runs in piped mode. If clear it's file
|
---|
2098 | * mode (it could be redirected stdout, but that's essentially the
|
---|
2099 | * same from our point of view). */
|
---|
2100 | unsigned fPipedPreComp;
|
---|
2101 | /** Whether the compiler runs in piped mode (preprocessor output on stdin). */
|
---|
2102 | unsigned fPipedCompile;
|
---|
2103 | /** The name of the pipe that we're feeding the preprocessed output to the
|
---|
2104 | * compiler via. This is a Windows thing. */
|
---|
2105 | char *pszNmPipeCompile;
|
---|
2106 | /** Name of the dependency file (generated from #line statements in the
|
---|
2107 | * preprocessor output). */
|
---|
2108 | char *pszMakeDepFilename;
|
---|
2109 | /** Whether to fix the case of the make depedencies. */
|
---|
2110 | int fMakeDepFixCase;
|
---|
2111 | /** Whether to do the make dependencies quietly. */
|
---|
2112 | int fMakeDepQuiet;
|
---|
2113 | /** Whether to generate stubs for headers files. */
|
---|
2114 | int fMakeDepGenStubs;
|
---|
2115 | /** The dependency collector state. */
|
---|
2116 | KOCDEP DepState;
|
---|
2117 | /** Whether the optimizations are enabled. */
|
---|
2118 | int fOptimizeCpp;
|
---|
2119 | /** Cache entry key that's used for some quick digest validation. */
|
---|
2120 | uint32_t uKey;
|
---|
2121 |
|
---|
2122 | /** The file data. */
|
---|
2123 | struct KOCENTRYDATA
|
---|
2124 | {
|
---|
2125 | /** The name of file containing the preprocessor output. */
|
---|
2126 | char *pszCppName;
|
---|
2127 | /** Pointer to the preprocessor output. */
|
---|
2128 | char *pszCppMapping;
|
---|
2129 | /** The size of the preprocessor output. 0 if not determined. */
|
---|
2130 | size_t cbCpp;
|
---|
2131 | /** The preprocessor output checksums that will produce the cached object. */
|
---|
2132 | KOCSUM SumHead;
|
---|
2133 | /** The number of milliseconds spent precompiling. */
|
---|
2134 | uint32_t cMsCpp;
|
---|
2135 |
|
---|
2136 | /** The object filename (relative to the cache file). */
|
---|
2137 | char *pszObjName;
|
---|
2138 | /** The compile argument vector used to build the object. */
|
---|
2139 | char **papszArgvCompile;
|
---|
2140 | /** The size of the compile */
|
---|
2141 | unsigned cArgvCompile;
|
---|
2142 | /** The checksum of the compiler argument vector. */
|
---|
2143 | KOCSUM SumCompArgv;
|
---|
2144 | /** The number of milliseconds spent compiling. */
|
---|
2145 | uint32_t cMsCompile;
|
---|
2146 | /** @todo need a list of additional output files for MSC. */
|
---|
2147 | /** @todo need compiler output (warnings). */
|
---|
2148 |
|
---|
2149 | /** The target os/arch identifier. */
|
---|
2150 | char *pszTarget;
|
---|
2151 | }
|
---|
2152 | /** The old data.*/
|
---|
2153 | Old,
|
---|
2154 | /** The new data. */
|
---|
2155 | New;
|
---|
2156 | } KOCENTRY;
|
---|
2157 | /** Pointer to a KOCENTRY. */
|
---|
2158 | typedef KOCENTRY *PKOCENTRY;
|
---|
2159 | /** Pointer to a const KOCENTRY. */
|
---|
2160 | typedef const KOCENTRY *PCKOCENTRY;
|
---|
2161 |
|
---|
2162 |
|
---|
2163 | /**
|
---|
2164 | * Creates a cache entry for the given cache file name.
|
---|
2165 | *
|
---|
2166 | * @returns Pointer to a cache entry.
|
---|
2167 | * @param pszFilename The cache file name.
|
---|
2168 | */
|
---|
2169 | static PKOCENTRY kOCEntryCreate(const char *pszFilename)
|
---|
2170 | {
|
---|
2171 | PKOCENTRY pEntry;
|
---|
2172 | size_t off;
|
---|
2173 |
|
---|
2174 | /*
|
---|
2175 | * Allocate an empty entry.
|
---|
2176 | */
|
---|
2177 | pEntry = xmallocz(sizeof(*pEntry));
|
---|
2178 |
|
---|
2179 | kOCDepInit(&pEntry->DepState);
|
---|
2180 |
|
---|
2181 | kOCSumInit(&pEntry->New.SumHead);
|
---|
2182 | kOCSumInit(&pEntry->Old.SumHead);
|
---|
2183 |
|
---|
2184 | kOCSumInit(&pEntry->New.SumCompArgv);
|
---|
2185 | kOCSumInit(&pEntry->Old.SumCompArgv);
|
---|
2186 |
|
---|
2187 | /*
|
---|
2188 | * Setup the directory and cache file name.
|
---|
2189 | */
|
---|
2190 | pEntry->pszAbsPath = AbsPath(pszFilename);
|
---|
2191 | pEntry->pszName = FindFilenameInPath(pEntry->pszAbsPath);
|
---|
2192 | off = pEntry->pszName - pEntry->pszAbsPath;
|
---|
2193 | if (!off)
|
---|
2194 | FatalDie("Failed to find abs path for '%s'!\n", pszFilename);
|
---|
2195 | pEntry->pszDir = xmalloc(off);
|
---|
2196 | memcpy(pEntry->pszDir, pEntry->pszAbsPath, off - 1);
|
---|
2197 | pEntry->pszDir[off - 1] = '\0';
|
---|
2198 |
|
---|
2199 | return pEntry;
|
---|
2200 | }
|
---|
2201 |
|
---|
2202 |
|
---|
2203 | /**
|
---|
2204 | * Destroys the cache entry freeing up all it's resources.
|
---|
2205 | *
|
---|
2206 | * @param pEntry The entry to free.
|
---|
2207 | */
|
---|
2208 | static void kOCEntryDestroy(PKOCENTRY pEntry)
|
---|
2209 | {
|
---|
2210 | /** @todo free pEntry->pszName? */
|
---|
2211 | free(pEntry->pszDir);
|
---|
2212 | free(pEntry->pszAbsPath);
|
---|
2213 | free(pEntry->pszNmPipeCompile);
|
---|
2214 | free(pEntry->pszMakeDepFilename);
|
---|
2215 |
|
---|
2216 | kOCDepDelete(&pEntry->DepState);
|
---|
2217 |
|
---|
2218 | kOCSumDeleteChain(&pEntry->New.SumHead);
|
---|
2219 | kOCSumDeleteChain(&pEntry->Old.SumHead);
|
---|
2220 |
|
---|
2221 | kOCSumDeleteChain(&pEntry->New.SumCompArgv);
|
---|
2222 | kOCSumDeleteChain(&pEntry->Old.SumCompArgv);
|
---|
2223 |
|
---|
2224 | free(pEntry->New.pszCppName);
|
---|
2225 | free(pEntry->Old.pszCppName);
|
---|
2226 |
|
---|
2227 | free(pEntry->New.pszCppMapping);
|
---|
2228 | free(pEntry->Old.pszCppMapping);
|
---|
2229 |
|
---|
2230 | free(pEntry->New.pszObjName);
|
---|
2231 | free(pEntry->Old.pszObjName);
|
---|
2232 |
|
---|
2233 | free(pEntry->New.pszTarget);
|
---|
2234 | free(pEntry->Old.pszTarget);
|
---|
2235 |
|
---|
2236 | while (pEntry->New.cArgvCompile > 0)
|
---|
2237 | free(pEntry->New.papszArgvCompile[--pEntry->New.cArgvCompile]);
|
---|
2238 | while (pEntry->Old.cArgvCompile > 0)
|
---|
2239 | free(pEntry->Old.papszArgvCompile[--pEntry->Old.cArgvCompile]);
|
---|
2240 |
|
---|
2241 | free(pEntry->New.papszArgvCompile);
|
---|
2242 | free(pEntry->Old.papszArgvCompile);
|
---|
2243 |
|
---|
2244 | free(pEntry);
|
---|
2245 | }
|
---|
2246 |
|
---|
2247 |
|
---|
2248 | /**
|
---|
2249 | * Calculates the checksum of an compiler argument vector.
|
---|
2250 | *
|
---|
2251 | * @param pEntry The cache entry.
|
---|
2252 | * @param papszArgv The argument vector.
|
---|
2253 | * @param cArgc The number of entries in the vector.
|
---|
2254 | * @param pszIgnorePath1 Path to ignore when encountered at the end of
|
---|
2255 | * arguments. (Not quite safe for simple file names,
|
---|
2256 | * but what the heck.)
|
---|
2257 | * @param pszIgnorePath2 Path to ignore when encountered at the end of
|
---|
2258 | * arguments. (Not quite safe for simple file names,
|
---|
2259 | * but what the heck.)
|
---|
2260 | * @param pSum Where to store the check sum.
|
---|
2261 | */
|
---|
2262 | static void kOCEntryCalcArgvSum(PKOCENTRY pEntry, const char * const *papszArgv, unsigned cArgc,
|
---|
2263 | const char *pszIgnorePath1, const char *pszIgnorePath2, PKOCSUM pSum)
|
---|
2264 | {
|
---|
2265 | size_t cchIgnorePath1 = strlen(pszIgnorePath1);
|
---|
2266 | size_t cchIgnorePath2 = pszIgnorePath2 ? strlen(pszIgnorePath2) : ~(size_t)0;
|
---|
2267 | KOCSUMCTX Ctx;
|
---|
2268 | unsigned i;
|
---|
2269 |
|
---|
2270 | kOCSumInitWithCtx(pSum, &Ctx);
|
---|
2271 | for (i = 0; i < cArgc; i++)
|
---|
2272 | {
|
---|
2273 | size_t cch = strlen(papszArgv[i]);
|
---|
2274 | if ( ( cch < cchIgnorePath1
|
---|
2275 | || !ArePathsIdenticalN(papszArgv[i] + cch - cchIgnorePath1, pszIgnorePath1, cch))
|
---|
2276 | && ( cch < cchIgnorePath2
|
---|
2277 | || !ArePathsIdenticalN(papszArgv[i] + cch - cchIgnorePath2, pszIgnorePath2, cch)) )
|
---|
2278 | kOCSumUpdate(pSum, &Ctx, papszArgv[i], cch + 1);
|
---|
2279 | }
|
---|
2280 | kOCSumFinalize(pSum, &Ctx);
|
---|
2281 |
|
---|
2282 | (void)pEntry;
|
---|
2283 | }
|
---|
2284 |
|
---|
2285 |
|
---|
2286 | /**
|
---|
2287 | * Reads and parses the cache file.
|
---|
2288 | *
|
---|
2289 | * @param pEntry The entry to read it into.
|
---|
2290 | */
|
---|
2291 | static void kOCEntryRead(PKOCENTRY pEntry)
|
---|
2292 | {
|
---|
2293 | FILE *pFile;
|
---|
2294 | pFile = FOpenFileInDir(pEntry->pszName, pEntry->pszDir, "rb");
|
---|
2295 | if (pFile)
|
---|
2296 | {
|
---|
2297 | InfoMsg(4, "reading cache entry...\n");
|
---|
2298 |
|
---|
2299 | /*
|
---|
2300 | * Check the magic.
|
---|
2301 | */
|
---|
2302 | if ( !fgets(g_szLine, sizeof(g_szLine), pFile)
|
---|
2303 | || ( strcmp(g_szLine, "magic=kObjCacheEntry-v0.1.0\n")
|
---|
2304 | && strcmp(g_szLine, "magic=kObjCacheEntry-v0.1.1\n"))
|
---|
2305 | )
|
---|
2306 | {
|
---|
2307 | InfoMsg(2, "bad cache file (magic)\n");
|
---|
2308 | pEntry->fNeedCompiling = 1;
|
---|
2309 | }
|
---|
2310 | else
|
---|
2311 | {
|
---|
2312 | /*
|
---|
2313 | * Parse the rest of the file (relaxed order).
|
---|
2314 | */
|
---|
2315 | unsigned i;
|
---|
2316 | int fBad = 0;
|
---|
2317 | int fBadBeforeMissing = 1;
|
---|
2318 | while (fgets(g_szLine, sizeof(g_szLine), pFile))
|
---|
2319 | {
|
---|
2320 | char *pszNl;
|
---|
2321 | char *pszVal;
|
---|
2322 |
|
---|
2323 | /* Split the line and drop the trailing newline. */
|
---|
2324 | pszVal = strchr(g_szLine, '=');
|
---|
2325 | if ((fBad = pszVal == NULL))
|
---|
2326 | break;
|
---|
2327 | *pszVal++ = '\0';
|
---|
2328 |
|
---|
2329 | pszNl = strchr(pszVal, '\n');
|
---|
2330 | if (pszNl)
|
---|
2331 | *pszNl = '\0';
|
---|
2332 |
|
---|
2333 | /* string case on variable name */
|
---|
2334 | if (!strcmp(g_szLine, "obj"))
|
---|
2335 | {
|
---|
2336 | if ((fBad = pEntry->Old.pszObjName != NULL))
|
---|
2337 | break;
|
---|
2338 | pEntry->Old.pszObjName = xstrdup(pszVal);
|
---|
2339 | }
|
---|
2340 | else if (!strcmp(g_szLine, "cpp"))
|
---|
2341 | {
|
---|
2342 | if ((fBad = pEntry->Old.pszCppName != NULL))
|
---|
2343 | break;
|
---|
2344 | pEntry->Old.pszCppName = xstrdup(pszVal);
|
---|
2345 | }
|
---|
2346 | else if (!strcmp(g_szLine, "cpp-size"))
|
---|
2347 | {
|
---|
2348 | char *pszNext;
|
---|
2349 | if ((fBad = pEntry->Old.cbCpp != 0))
|
---|
2350 | break;
|
---|
2351 | pEntry->Old.cbCpp = strtoul(pszVal, &pszNext, 0);
|
---|
2352 | if ((fBad = pszNext && *pszNext))
|
---|
2353 | break;
|
---|
2354 | }
|
---|
2355 | else if (!strcmp(g_szLine, "cpp-sum"))
|
---|
2356 | {
|
---|
2357 | KOCSUM Sum;
|
---|
2358 | if ((fBad = kOCSumInitFromString(&Sum, pszVal)))
|
---|
2359 | break;
|
---|
2360 | kOCSumAdd(&pEntry->Old.SumHead, &Sum);
|
---|
2361 | }
|
---|
2362 | else if (!strcmp(g_szLine, "cpp-ms"))
|
---|
2363 | {
|
---|
2364 | char *pszNext;
|
---|
2365 | if ((fBad = pEntry->Old.cMsCpp != 0))
|
---|
2366 | break;
|
---|
2367 | pEntry->Old.cMsCpp = strtoul(pszVal, &pszNext, 0);
|
---|
2368 | if ((fBad = pszNext && *pszNext))
|
---|
2369 | break;
|
---|
2370 | }
|
---|
2371 | else if (!strcmp(g_szLine, "cc-argc"))
|
---|
2372 | {
|
---|
2373 | if ((fBad = pEntry->Old.papszArgvCompile != NULL))
|
---|
2374 | break;
|
---|
2375 | pEntry->Old.cArgvCompile = atoi(pszVal); /* if wrong, we'll fail below. */
|
---|
2376 | pEntry->Old.papszArgvCompile = xmallocz((pEntry->Old.cArgvCompile + 1) * sizeof(pEntry->Old.papszArgvCompile[0]));
|
---|
2377 | }
|
---|
2378 | else if (!strncmp(g_szLine, "cc-argv-#", sizeof("cc-argv-#") - 1))
|
---|
2379 | {
|
---|
2380 | char *pszNext;
|
---|
2381 | unsigned iArg = strtoul(&g_szLine[sizeof("cc-argv-#") - 1], &pszNext, 0);
|
---|
2382 | if ((fBad = iArg >= pEntry->Old.cArgvCompile || pEntry->Old.papszArgvCompile[iArg] || (pszNext && *pszNext)))
|
---|
2383 | break;
|
---|
2384 | pEntry->Old.papszArgvCompile[iArg] = xstrdup(pszVal);
|
---|
2385 | }
|
---|
2386 | else if (!strcmp(g_szLine, "cc-argv-sum"))
|
---|
2387 | {
|
---|
2388 | if ((fBad = !kOCSumIsEmpty(&pEntry->Old.SumCompArgv)))
|
---|
2389 | break;
|
---|
2390 | if ((fBad = kOCSumInitFromString(&pEntry->Old.SumCompArgv, pszVal)))
|
---|
2391 | break;
|
---|
2392 | }
|
---|
2393 | else if (!strcmp(g_szLine, "cc-ms"))
|
---|
2394 | {
|
---|
2395 | char *pszNext;
|
---|
2396 | if ((fBad = pEntry->Old.cMsCompile != 0))
|
---|
2397 | break;
|
---|
2398 | pEntry->Old.cMsCompile = strtoul(pszVal, &pszNext, 0);
|
---|
2399 | if ((fBad = pszNext && *pszNext))
|
---|
2400 | break;
|
---|
2401 | }
|
---|
2402 | else if (!strcmp(g_szLine, "target"))
|
---|
2403 | {
|
---|
2404 | if ((fBad = pEntry->Old.pszTarget != NULL))
|
---|
2405 | break;
|
---|
2406 | pEntry->Old.pszTarget = xstrdup(pszVal);
|
---|
2407 | }
|
---|
2408 | else if (!strcmp(g_szLine, "key"))
|
---|
2409 | {
|
---|
2410 | char *pszNext;
|
---|
2411 | if ((fBad = pEntry->uKey != 0))
|
---|
2412 | break;
|
---|
2413 | pEntry->uKey = strtoul(pszVal, &pszNext, 0);
|
---|
2414 | if ((fBad = pszNext && *pszNext))
|
---|
2415 | break;
|
---|
2416 | }
|
---|
2417 | else if (!strcmp(g_szLine, "the-end"))
|
---|
2418 | {
|
---|
2419 | fBadBeforeMissing = fBad = strcmp(pszVal, "fine");
|
---|
2420 | break;
|
---|
2421 | }
|
---|
2422 | else
|
---|
2423 | {
|
---|
2424 | fBad = 1;
|
---|
2425 | break;
|
---|
2426 | }
|
---|
2427 | } /* parse loop */
|
---|
2428 |
|
---|
2429 | /*
|
---|
2430 | * Did we find everything and does it add up correctly?
|
---|
2431 | */
|
---|
2432 | if (!fBad && fBadBeforeMissing)
|
---|
2433 | {
|
---|
2434 | InfoMsg(2, "bad cache file (no end)\n");
|
---|
2435 | fBad = 1;
|
---|
2436 | }
|
---|
2437 | else
|
---|
2438 | {
|
---|
2439 | fBadBeforeMissing = fBad;
|
---|
2440 | if ( !fBad
|
---|
2441 | && ( !pEntry->Old.papszArgvCompile
|
---|
2442 | || !pEntry->Old.pszObjName
|
---|
2443 | || !pEntry->Old.pszCppName
|
---|
2444 | || kOCSumIsEmpty(&pEntry->Old.SumHead)))
|
---|
2445 | fBad = 1;
|
---|
2446 | if (!fBad)
|
---|
2447 | for (i = 0; i < pEntry->Old.cArgvCompile; i++)
|
---|
2448 | if ((fBad = !pEntry->Old.papszArgvCompile[i]))
|
---|
2449 | break;
|
---|
2450 | if (!fBad)
|
---|
2451 | {
|
---|
2452 | KOCSUM Sum;
|
---|
2453 | kOCEntryCalcArgvSum(pEntry, (const char * const *)pEntry->Old.papszArgvCompile,
|
---|
2454 | pEntry->Old.cArgvCompile, pEntry->Old.pszObjName, pEntry->Old.pszCppName,
|
---|
2455 | &Sum);
|
---|
2456 | fBad = !kOCSumIsEqual(&pEntry->Old.SumCompArgv, &Sum);
|
---|
2457 | }
|
---|
2458 | if (fBad)
|
---|
2459 | InfoMsg(2, "bad cache file (%s)\n", fBadBeforeMissing ? g_szLine : "missing stuff");
|
---|
2460 | else if (ferror(pFile))
|
---|
2461 | {
|
---|
2462 | InfoMsg(2, "cache file read error\n");
|
---|
2463 | fBad = 1;
|
---|
2464 | }
|
---|
2465 |
|
---|
2466 | /*
|
---|
2467 | * Verify the existance of the object file.
|
---|
2468 | */
|
---|
2469 | if (!fBad)
|
---|
2470 | {
|
---|
2471 | struct stat st;
|
---|
2472 | char *pszPath = MakePathFromDirAndFile(pEntry->Old.pszObjName, pEntry->pszDir);
|
---|
2473 | if (stat(pszPath, &st) != 0)
|
---|
2474 | {
|
---|
2475 | InfoMsg(2, "failed to stat object file: %s\n", strerror(errno));
|
---|
2476 | fBad = 1;
|
---|
2477 | }
|
---|
2478 | else
|
---|
2479 | {
|
---|
2480 | /** @todo verify size and the timestamp. */
|
---|
2481 | }
|
---|
2482 | }
|
---|
2483 | }
|
---|
2484 | pEntry->fNeedCompiling = fBad;
|
---|
2485 | }
|
---|
2486 | fclose(pFile);
|
---|
2487 | }
|
---|
2488 | else
|
---|
2489 | {
|
---|
2490 | InfoMsg(2, "no cache file\n");
|
---|
2491 | pEntry->fNeedCompiling = 1;
|
---|
2492 | }
|
---|
2493 | }
|
---|
2494 |
|
---|
2495 |
|
---|
2496 | /**
|
---|
2497 | * Writes the cache file.
|
---|
2498 | *
|
---|
2499 | * @param pEntry The entry to write.
|
---|
2500 | */
|
---|
2501 | static void kOCEntryWrite(PKOCENTRY pEntry)
|
---|
2502 | {
|
---|
2503 | FILE *pFile;
|
---|
2504 | PCKOCSUM pSum;
|
---|
2505 | unsigned i;
|
---|
2506 |
|
---|
2507 | InfoMsg(4, "writing cache entry '%s'...\n", pEntry->pszName);
|
---|
2508 | pFile = FOpenFileInDir(pEntry->pszName, pEntry->pszDir, "wb");
|
---|
2509 | if (!pFile)
|
---|
2510 | FatalDie("Failed to open '%s' in '%s': %s\n",
|
---|
2511 | pEntry->pszName, pEntry->pszDir, strerror(errno));
|
---|
2512 |
|
---|
2513 | #define CHECK_LEN(expr) \
|
---|
2514 | do { int cch = expr; if (cch >= KOBJCACHE_MAX_LINE_LEN) FatalDie("Line too long: %d (max %d)\nexpr: %s\n", cch, KOBJCACHE_MAX_LINE_LEN, #expr); } while (0)
|
---|
2515 |
|
---|
2516 | fprintf(pFile, "magic=kObjCacheEntry-v0.1.1\n");
|
---|
2517 | CHECK_LEN(fprintf(pFile, "target=%s\n", pEntry->New.pszTarget ? pEntry->New.pszTarget : pEntry->Old.pszTarget));
|
---|
2518 | CHECK_LEN(fprintf(pFile, "key=%lu\n", (unsigned long)pEntry->uKey));
|
---|
2519 | CHECK_LEN(fprintf(pFile, "obj=%s\n", pEntry->New.pszObjName ? pEntry->New.pszObjName : pEntry->Old.pszObjName));
|
---|
2520 | CHECK_LEN(fprintf(pFile, "cpp=%s\n", pEntry->New.pszCppName ? pEntry->New.pszCppName : pEntry->Old.pszCppName));
|
---|
2521 | CHECK_LEN(fprintf(pFile, "cpp-size=%lu\n", (unsigned long)(pEntry->New.pszCppName ? pEntry->New.cbCpp : pEntry->Old.cbCpp)));
|
---|
2522 | CHECK_LEN(fprintf(pFile, "cpp-ms=%lu\n", (unsigned long)(pEntry->New.pszCppName ? pEntry->New.cMsCpp : pEntry->Old.cMsCpp)));
|
---|
2523 | CHECK_LEN(fprintf(pFile, "cc-ms=%lu\n", (unsigned long)(pEntry->New.pszCppName ? pEntry->New.cMsCompile : pEntry->Old.cMsCompile)));
|
---|
2524 |
|
---|
2525 | if (!kOCSumIsEmpty(&pEntry->New.SumCompArgv))
|
---|
2526 | {
|
---|
2527 | CHECK_LEN(fprintf(pFile, "cc-argc=%u\n", pEntry->New.cArgvCompile));
|
---|
2528 | for (i = 0; i < pEntry->New.cArgvCompile; i++)
|
---|
2529 | CHECK_LEN(fprintf(pFile, "cc-argv-#%u=%s\n", i, pEntry->New.papszArgvCompile[i]));
|
---|
2530 | fprintf(pFile, "cc-argv-sum=");
|
---|
2531 | kOCSumFPrintf(&pEntry->New.SumCompArgv, pFile);
|
---|
2532 | }
|
---|
2533 | else
|
---|
2534 | {
|
---|
2535 | CHECK_LEN(fprintf(pFile, "cc-argc=%u\n", pEntry->Old.cArgvCompile));
|
---|
2536 | for (i = 0; i < pEntry->Old.cArgvCompile; i++)
|
---|
2537 | CHECK_LEN(fprintf(pFile, "cc-argv-#%u=%s\n", i, pEntry->Old.papszArgvCompile[i]));
|
---|
2538 | fprintf(pFile, "cc-argv-sum=");
|
---|
2539 | kOCSumFPrintf(&pEntry->Old.SumCompArgv, pFile);
|
---|
2540 | }
|
---|
2541 |
|
---|
2542 |
|
---|
2543 | for (pSum = !kOCSumIsEmpty(&pEntry->New.SumHead) ? &pEntry->New.SumHead : &pEntry->Old.SumHead;
|
---|
2544 | pSum;
|
---|
2545 | pSum = pSum->pNext)
|
---|
2546 | {
|
---|
2547 | fprintf(pFile, "cpp-sum=");
|
---|
2548 | kOCSumFPrintf(pSum, pFile);
|
---|
2549 | }
|
---|
2550 |
|
---|
2551 | fprintf(pFile, "the-end=fine\n");
|
---|
2552 |
|
---|
2553 | #undef CHECK_LEN
|
---|
2554 |
|
---|
2555 | /*
|
---|
2556 | * Flush the file and check for errors.
|
---|
2557 | * On failure delete the file so we won't be seeing any invalid
|
---|
2558 | * files the next time or upset make with new timestamps.
|
---|
2559 | */
|
---|
2560 | errno = 0;
|
---|
2561 | if ( fflush(pFile) < 0
|
---|
2562 | || ferror(pFile))
|
---|
2563 | {
|
---|
2564 | int iErr = errno;
|
---|
2565 | fclose(pFile);
|
---|
2566 | UnlinkFileInDir(pEntry->pszName, pEntry->pszDir);
|
---|
2567 | FatalDie("Stream error occured while writing '%s' in '%s': %s\n",
|
---|
2568 | pEntry->pszName, pEntry->pszDir, strerror(iErr));
|
---|
2569 | }
|
---|
2570 | fclose(pFile);
|
---|
2571 | }
|
---|
2572 |
|
---|
2573 |
|
---|
2574 | /**
|
---|
2575 | * Checks that the read cache entry is valid.
|
---|
2576 | * It sets fNeedCompiling if it isn't.
|
---|
2577 | *
|
---|
2578 | * @returns 1 valid, 0 invalid.
|
---|
2579 | * @param pEntry The cache entry.
|
---|
2580 | */
|
---|
2581 | static int kOCEntryCheck(PKOCENTRY pEntry)
|
---|
2582 | {
|
---|
2583 | return !pEntry->fNeedCompiling;
|
---|
2584 | }
|
---|
2585 |
|
---|
2586 |
|
---|
2587 | /**
|
---|
2588 | * Sets the object name and compares it with the old name if present.
|
---|
2589 | *
|
---|
2590 | * @param pEntry The cache entry.
|
---|
2591 | * @param pszObjName The new object name.
|
---|
2592 | */
|
---|
2593 | static void kOCEntrySetCompileObjName(PKOCENTRY pEntry, const char *pszObjName)
|
---|
2594 | {
|
---|
2595 | assert(!pEntry->New.pszObjName);
|
---|
2596 | pEntry->New.pszObjName = CalcRelativeName(pszObjName, pEntry->pszDir);
|
---|
2597 |
|
---|
2598 | if ( !pEntry->fNeedCompiling
|
---|
2599 | && ( !pEntry->Old.pszObjName
|
---|
2600 | || strcmp(pEntry->New.pszObjName, pEntry->Old.pszObjName)))
|
---|
2601 | {
|
---|
2602 | InfoMsg(2, "object file name differs\n");
|
---|
2603 | pEntry->fNeedCompiling = 1;
|
---|
2604 | }
|
---|
2605 |
|
---|
2606 | if ( !pEntry->fNeedCompiling
|
---|
2607 | && !DoesFileInDirExist(pEntry->New.pszObjName, pEntry->pszDir))
|
---|
2608 | {
|
---|
2609 | InfoMsg(2, "object file doesn't exist\n");
|
---|
2610 | pEntry->fNeedCompiling = 1;
|
---|
2611 | }
|
---|
2612 | }
|
---|
2613 |
|
---|
2614 |
|
---|
2615 | /**
|
---|
2616 | * Set the new compiler args, calc their checksum, and comparing them with any old ones.
|
---|
2617 | *
|
---|
2618 | * @param pEntry The cache entry.
|
---|
2619 | * @param papszArgvCompile The new argument vector for compilation.
|
---|
2620 | * @param cArgvCompile The number of arguments in the vector.
|
---|
2621 | *
|
---|
2622 | * @remark Must call kOCEntrySetCompileObjName before this function!
|
---|
2623 | */
|
---|
2624 | static void kOCEntrySetCompileArgv(PKOCENTRY pEntry, const char * const *papszArgvCompile, unsigned cArgvCompile)
|
---|
2625 | {
|
---|
2626 | unsigned i;
|
---|
2627 |
|
---|
2628 | /* call me only once! */
|
---|
2629 | assert(!pEntry->New.cArgvCompile);
|
---|
2630 | /* call kOCEntrySetCompilerObjName first! */
|
---|
2631 | assert(pEntry->New.pszObjName);
|
---|
2632 |
|
---|
2633 | /*
|
---|
2634 | * Copy the argument vector and calculate the checksum.
|
---|
2635 | */
|
---|
2636 | pEntry->New.cArgvCompile = cArgvCompile;
|
---|
2637 | pEntry->New.papszArgvCompile = xmalloc((cArgvCompile + 1) * sizeof(pEntry->New.papszArgvCompile[0]));
|
---|
2638 | for (i = 0; i < cArgvCompile; i++)
|
---|
2639 | pEntry->New.papszArgvCompile[i] = xstrdup(papszArgvCompile[i]);
|
---|
2640 | pEntry->New.papszArgvCompile[i] = NULL; /* for exev/spawnv */
|
---|
2641 |
|
---|
2642 | kOCEntryCalcArgvSum(pEntry, papszArgvCompile, cArgvCompile, pEntry->New.pszObjName, pEntry->New.pszCppName,
|
---|
2643 | &pEntry->New.SumCompArgv);
|
---|
2644 | kOCSumInfo(&pEntry->New.SumCompArgv, 4, "comp-argv");
|
---|
2645 |
|
---|
2646 | /*
|
---|
2647 | * Compare with the old argument vector.
|
---|
2648 | */
|
---|
2649 | if ( !pEntry->fNeedCompiling
|
---|
2650 | && !kOCSumIsEqual(&pEntry->New.SumCompArgv, &pEntry->Old.SumCompArgv))
|
---|
2651 | {
|
---|
2652 | InfoMsg(2, "compiler args differs\n");
|
---|
2653 | pEntry->fNeedCompiling = 1;
|
---|
2654 | }
|
---|
2655 | }
|
---|
2656 |
|
---|
2657 |
|
---|
2658 | /**
|
---|
2659 | * Sets the arch/os target and compares it with the old name if present.
|
---|
2660 | *
|
---|
2661 | * @param pEntry The cache entry.
|
---|
2662 | * @param pszObjName The new object name.
|
---|
2663 | */
|
---|
2664 | static void kOCEntrySetTarget(PKOCENTRY pEntry, const char *pszTarget)
|
---|
2665 | {
|
---|
2666 | assert(!pEntry->New.pszTarget);
|
---|
2667 | pEntry->New.pszTarget = xstrdup(pszTarget);
|
---|
2668 |
|
---|
2669 | if ( !pEntry->fNeedCompiling
|
---|
2670 | && ( !pEntry->Old.pszTarget
|
---|
2671 | || strcmp(pEntry->New.pszTarget, pEntry->Old.pszTarget)))
|
---|
2672 | {
|
---|
2673 | InfoMsg(2, "target differs\n");
|
---|
2674 | pEntry->fNeedCompiling = 1;
|
---|
2675 | }
|
---|
2676 | }
|
---|
2677 |
|
---|
2678 |
|
---|
2679 | /**
|
---|
2680 | * Sets the preprocessor output filename. We don't generally care if this
|
---|
2681 | * matches the old name or not.
|
---|
2682 | *
|
---|
2683 | * @param pEntry The cache entry.
|
---|
2684 | * @param pszCppName The preprocessor output filename.
|
---|
2685 | */
|
---|
2686 | static void kOCEntrySetCppName(PKOCENTRY pEntry, const char *pszCppName)
|
---|
2687 | {
|
---|
2688 | assert(!pEntry->New.pszCppName);
|
---|
2689 | pEntry->New.pszCppName = CalcRelativeName(pszCppName, pEntry->pszDir);
|
---|
2690 | }
|
---|
2691 |
|
---|
2692 |
|
---|
2693 | /**
|
---|
2694 | * Sets the piped mode of the preprocessor and compiler.
|
---|
2695 | *
|
---|
2696 | * @param pEntry The cache entry.
|
---|
2697 | * @param fRedirPreCompStdOut Whether the preprocessor is in piped mode.
|
---|
2698 | * @param fRedirCompileStdIn Whether the compiler is in piped mode.
|
---|
2699 | * @param pszNmPipeCompile The name of the named pipe to use to feed
|
---|
2700 | * the microsoft compiler.
|
---|
2701 | */
|
---|
2702 | static void kOCEntrySetPipedMode(PKOCENTRY pEntry, int fRedirPreCompStdOut, int fRedirCompileStdIn,
|
---|
2703 | const char *pszNmPipeCompile)
|
---|
2704 | {
|
---|
2705 | pEntry->fPipedPreComp = fRedirPreCompStdOut;
|
---|
2706 | pEntry->fPipedCompile = fRedirCompileStdIn || pszNmPipeCompile;
|
---|
2707 | pEntry->pszNmPipeCompile = xstrdup(pszNmPipeCompile);
|
---|
2708 | }
|
---|
2709 |
|
---|
2710 |
|
---|
2711 | /**
|
---|
2712 | * Sets the dependency file.
|
---|
2713 | *
|
---|
2714 | * @param pEntry The cache entry.
|
---|
2715 | * @param pszMakeDepFilename The dependency filename.
|
---|
2716 | * @param fMakeDepFixCase Whether to fix the case of dependency files.
|
---|
2717 | * @param fMakeDepQuiet Whether to be quiet about the dependencies.
|
---|
2718 | * @param fMakeDepGenStubs Whether to generate stubs.
|
---|
2719 | */
|
---|
2720 | static void kOCEntrySetDepFilename(PKOCENTRY pEntry, const char *pszMakeDepFilename,
|
---|
2721 | int fMakeDepFixCase, int fMakeDepQuiet, int fMakeDepGenStubs)
|
---|
2722 | {
|
---|
2723 | pEntry->pszMakeDepFilename = xstrdup(pszMakeDepFilename);
|
---|
2724 | pEntry->fMakeDepFixCase = fMakeDepFixCase;
|
---|
2725 | pEntry->fMakeDepQuiet = fMakeDepQuiet;
|
---|
2726 | pEntry->fMakeDepGenStubs = fMakeDepGenStubs;
|
---|
2727 | }
|
---|
2728 |
|
---|
2729 |
|
---|
2730 | /**
|
---|
2731 | * Configures the preprocessor output optimizations.
|
---|
2732 | *
|
---|
2733 | * @param pEntry The cache entry.
|
---|
2734 | * @param fOptimizeCpp The one and only flag, so far.
|
---|
2735 | */
|
---|
2736 | static void kOCEntrySetOptimizations(PKOCENTRY pEntry, int fOptimizeCpp)
|
---|
2737 | {
|
---|
2738 | pEntry->fOptimizeCpp = fOptimizeCpp;
|
---|
2739 | }
|
---|
2740 |
|
---|
2741 |
|
---|
2742 | /**
|
---|
2743 | * Spawns a child in a synchronous fashion.
|
---|
2744 | * Terminating on failure.
|
---|
2745 | *
|
---|
2746 | * @param papszArgv Argument vector. The cArgv element is NULL.
|
---|
2747 | * @param pcMs The cache entry member use for time keeping. This
|
---|
2748 | * will be set to the current timestamp.
|
---|
2749 | * @param cArgv The number of arguments in the vector.
|
---|
2750 | * @param pszMsg Which operation this is, for use in messages.
|
---|
2751 | * @param pszStdOut Where to redirect standard out.
|
---|
2752 | */
|
---|
2753 | static void kOCEntrySpawn(PCKOCENTRY pEntry, uint32_t *pcMs, const char * const *papszArgv, unsigned cArgv,
|
---|
2754 | const char *pszMsg, const char *pszStdOut)
|
---|
2755 | {
|
---|
2756 | #if defined(__OS2__) || defined(__WIN__)
|
---|
2757 | intptr_t rc;
|
---|
2758 | int fdStdOut = -1;
|
---|
2759 | if (pszStdOut)
|
---|
2760 | {
|
---|
2761 | int fdReDir;
|
---|
2762 | fdStdOut = dup(STDOUT_FILENO);
|
---|
2763 | close(STDOUT_FILENO);
|
---|
2764 | fdReDir = open(pszStdOut, O_CREAT | O_TRUNC | O_WRONLY, 0666);
|
---|
2765 | if (fdReDir < 0)
|
---|
2766 | FatalDie("%s - failed to create stdout redirection file '%s': %s\n",
|
---|
2767 | pszMsg, pszStdOut, strerror(errno));
|
---|
2768 |
|
---|
2769 | if (fdReDir != STDOUT_FILENO)
|
---|
2770 | {
|
---|
2771 | if (dup2(fdReDir, STDOUT_FILENO) < 0)
|
---|
2772 | FatalDie("%s - dup2 failed: %s\n", pszMsg, strerror(errno));
|
---|
2773 | close(fdReDir);
|
---|
2774 | }
|
---|
2775 | }
|
---|
2776 |
|
---|
2777 | *pcMs = NowMs();
|
---|
2778 | errno = 0;
|
---|
2779 | # ifdef __WIN__
|
---|
2780 | rc = quoted_spawnvp(_P_WAIT, papszArgv[0], papszArgv);
|
---|
2781 | # else
|
---|
2782 | rc = _spawnvp(_P_WAIT, papszArgv[0], papszArgv);
|
---|
2783 | # endif
|
---|
2784 | *pcMs = NowMs() - *pcMs;
|
---|
2785 | if (rc < 0)
|
---|
2786 | FatalDie("%s - _spawnvp failed (rc=0x%p): %s\n", pszMsg, rc, strerror(errno));
|
---|
2787 | if (rc > 0)
|
---|
2788 | FatalDie("%s - failed rc=%d\n", pszMsg, (int)rc);
|
---|
2789 | if (fdStdOut != -1)
|
---|
2790 | {
|
---|
2791 | close(STDOUT_FILENO);
|
---|
2792 | fdStdOut = dup2(fdStdOut, STDOUT_FILENO);
|
---|
2793 | close(fdStdOut);
|
---|
2794 | }
|
---|
2795 |
|
---|
2796 | #else
|
---|
2797 | int iStatus;
|
---|
2798 | pid_t pidWait;
|
---|
2799 | pid_t pid;
|
---|
2800 |
|
---|
2801 | *pcMs = NowMs();
|
---|
2802 | pid = fork();
|
---|
2803 | if (!pid)
|
---|
2804 | {
|
---|
2805 | if (pszStdOut)
|
---|
2806 | {
|
---|
2807 | int fdReDir;
|
---|
2808 |
|
---|
2809 | close(STDOUT_FILENO);
|
---|
2810 | fdReDir = open(pszStdOut, O_CREAT | O_TRUNC | O_WRONLY, 0666);
|
---|
2811 | if (fdReDir < 0)
|
---|
2812 | FatalDie("%s - failed to create stdout redirection file '%s': %s\n",
|
---|
2813 | pszMsg, pszStdOut, strerror(errno));
|
---|
2814 | if (fdReDir != STDOUT_FILENO)
|
---|
2815 | {
|
---|
2816 | if (dup2(fdReDir, STDOUT_FILENO) < 0)
|
---|
2817 | FatalDie("%s - dup2 failed: %s\n", pszMsg, strerror(errno));
|
---|
2818 | close(fdReDir);
|
---|
2819 | }
|
---|
2820 | }
|
---|
2821 |
|
---|
2822 | execvp(papszArgv[0], (char **)papszArgv);
|
---|
2823 | FatalDie("%s - execvp failed: %s\n",
|
---|
2824 | pszMsg, strerror(errno));
|
---|
2825 | }
|
---|
2826 | if (pid == -1)
|
---|
2827 | FatalDie("%s - fork() failed: %s\n", pszMsg, strerror(errno));
|
---|
2828 |
|
---|
2829 | pidWait = waitpid(pid, &iStatus, 0);
|
---|
2830 | while (pidWait < 0 && errno == EINTR)
|
---|
2831 | pidWait = waitpid(pid, &iStatus, 0);
|
---|
2832 | *pcMs = NowMs() - *pcMs;
|
---|
2833 | if (pidWait != pid)
|
---|
2834 | FatalDie("%s - waitpid failed rc=%d: %s\n",
|
---|
2835 | pszMsg, pidWait, strerror(errno));
|
---|
2836 | if (!WIFEXITED(iStatus))
|
---|
2837 | FatalDie("%s - abended (iStatus=%#x)\n", pszMsg, iStatus);
|
---|
2838 | if (WEXITSTATUS(iStatus))
|
---|
2839 | FatalDie("%s - failed with rc %d\n", pszMsg, WEXITSTATUS(iStatus));
|
---|
2840 | #endif
|
---|
2841 |
|
---|
2842 | (void)pEntry; (void)cArgv;
|
---|
2843 | }
|
---|
2844 |
|
---|
2845 |
|
---|
2846 | /**
|
---|
2847 | * Spawns child with optional redirection of stdin and stdout.
|
---|
2848 | *
|
---|
2849 | * @param pEntry The cache entry.
|
---|
2850 | * @param pcMs The cache entry member use for time keeping. This
|
---|
2851 | * will be set to the current timestamp.
|
---|
2852 | * @param papszArgv Argument vector. The cArgv element is NULL.
|
---|
2853 | * @param cArgv The number of arguments in the vector.
|
---|
2854 | * @param fdStdIn Child stdin, -1 if it should inherit our stdin. Will be closed.
|
---|
2855 | * @param fdStdOut Child stdout, -1 if it should inherit our stdout. Will be closed.
|
---|
2856 | * @param pszMsg Message to start the info/error messages with.
|
---|
2857 | */
|
---|
2858 | static pid_t kOCEntrySpawnChild(PCKOCENTRY pEntry, uint32_t *pcMs, const char * const *papszArgv, unsigned cArgv,
|
---|
2859 | int fdStdIn, int fdStdOut, const char *pszMsg)
|
---|
2860 | {
|
---|
2861 | pid_t pid;
|
---|
2862 | int fdSavedStdOut = -1;
|
---|
2863 | int fdSavedStdIn = -1;
|
---|
2864 |
|
---|
2865 | /*
|
---|
2866 | * Setup redirection.
|
---|
2867 | */
|
---|
2868 | if (fdStdOut != -1 && fdStdOut != STDOUT_FILENO)
|
---|
2869 | {
|
---|
2870 | fdSavedStdOut = dup(STDOUT_FILENO);
|
---|
2871 | if (dup2(fdStdOut, STDOUT_FILENO) < 0)
|
---|
2872 | FatalDie("%s - dup2(,1) failed: %s\n", pszMsg, strerror(errno));
|
---|
2873 | close(fdStdOut);
|
---|
2874 | #ifndef __WIN__
|
---|
2875 | fcntl(fdSavedStdOut, F_SETFD, FD_CLOEXEC);
|
---|
2876 | #endif
|
---|
2877 | }
|
---|
2878 | if (fdStdIn != -1 && fdStdIn != STDIN_FILENO)
|
---|
2879 | {
|
---|
2880 | fdSavedStdIn = dup(STDIN_FILENO);
|
---|
2881 | if (dup2(fdStdIn, STDIN_FILENO) < 0)
|
---|
2882 | FatalDie("%s - dup2(,0) failed: %s\n", pszMsg, strerror(errno));
|
---|
2883 | close(fdStdIn);
|
---|
2884 | #ifndef __WIN__
|
---|
2885 | fcntl(fdSavedStdIn, F_SETFD, FD_CLOEXEC);
|
---|
2886 | #endif
|
---|
2887 | }
|
---|
2888 |
|
---|
2889 | /*
|
---|
2890 | * Create the child process.
|
---|
2891 | */
|
---|
2892 | *pcMs = NowMs();
|
---|
2893 | #if defined(__OS2__) || defined(__WIN__)
|
---|
2894 | errno = 0;
|
---|
2895 | # ifdef __WIN__
|
---|
2896 | pid = quoted_spawnvp(_P_NOWAIT, papszArgv[0], papszArgv);
|
---|
2897 | # else
|
---|
2898 | pid = _spawnvp(_P_NOWAIT, papszArgv[0], papszArgv);
|
---|
2899 | # endif
|
---|
2900 | if (pid == -1)
|
---|
2901 | FatalDie("preprocess - _spawnvp failed: %s\n", strerror(errno));
|
---|
2902 |
|
---|
2903 | #else
|
---|
2904 | pid = fork();
|
---|
2905 | if (!pid)
|
---|
2906 | {
|
---|
2907 | execvp(papszArgv[0], (char **)papszArgv);
|
---|
2908 | FatalDie("preprocess - execvp failed: %s\n", strerror(errno));
|
---|
2909 | }
|
---|
2910 | if (pid == -1)
|
---|
2911 | FatalDie("preprocess - fork() failed: %s\n", strerror(errno));
|
---|
2912 | #endif
|
---|
2913 |
|
---|
2914 | /*
|
---|
2915 | * Restore stdout & stdin.
|
---|
2916 | */
|
---|
2917 | if (fdSavedStdIn != -1)
|
---|
2918 | {
|
---|
2919 | close(STDIN_FILENO);
|
---|
2920 | dup2(fdStdOut, STDIN_FILENO);
|
---|
2921 | close(fdSavedStdIn);
|
---|
2922 | }
|
---|
2923 | if (fdSavedStdOut != -1)
|
---|
2924 | {
|
---|
2925 | close(STDOUT_FILENO);
|
---|
2926 | dup2(fdSavedStdOut, STDOUT_FILENO);
|
---|
2927 | close(fdSavedStdOut);
|
---|
2928 | }
|
---|
2929 |
|
---|
2930 | InfoMsg(3, "%s - spawned %ld\n", pszMsg, (long)pid);
|
---|
2931 | (void)cArgv;
|
---|
2932 | (void)pEntry;
|
---|
2933 | return pid;
|
---|
2934 | }
|
---|
2935 |
|
---|
2936 |
|
---|
2937 | /**
|
---|
2938 | * Waits for a child and exits fatally if the child failed in any way.
|
---|
2939 | *
|
---|
2940 | * @param pEntry The cache entry.
|
---|
2941 | * @param pcMs The millisecond timestamp that should be convert to
|
---|
2942 | * elapsed time.
|
---|
2943 | * @param pid The child to wait for.
|
---|
2944 | * @param pszMsg Message to start the info/error messages with.
|
---|
2945 | */
|
---|
2946 | static void kOCEntryWaitChild(PCKOCENTRY pEntry, uint32_t *pcMs, pid_t pid, const char *pszMsg)
|
---|
2947 | {
|
---|
2948 | int iStatus = -1;
|
---|
2949 | pid_t pidWait;
|
---|
2950 | InfoMsg(3, "%s - wait-child %ld\n", pszMsg, (long)pid);
|
---|
2951 |
|
---|
2952 | #ifdef __WIN__
|
---|
2953 | pidWait = _cwait(&iStatus, pid, _WAIT_CHILD);
|
---|
2954 | *pcMs = NowMs() - *pcMs;
|
---|
2955 | if (pidWait == -1)
|
---|
2956 | FatalDie("%s - waitpid failed: %s\n", pszMsg, strerror(errno));
|
---|
2957 | if (iStatus)
|
---|
2958 | FatalDie("%s - failed with rc %d\n", pszMsg, iStatus);
|
---|
2959 | #else
|
---|
2960 | pidWait = waitpid(pid, &iStatus, 0);
|
---|
2961 | while (pidWait < 0 && errno == EINTR)
|
---|
2962 | pidWait = waitpid(pid, &iStatus, 0);
|
---|
2963 | *pcMs = NowMs() - *pcMs;
|
---|
2964 | if (pidWait != pid)
|
---|
2965 | FatalDie("%s - waitpid failed rc=%d: %s\n", pidWait, strerror(errno));
|
---|
2966 | if (!WIFEXITED(iStatus))
|
---|
2967 | FatalDie("%s - abended (iStatus=%#x)\n", pszMsg, iStatus);
|
---|
2968 | if (WEXITSTATUS(iStatus))
|
---|
2969 | FatalDie("%s - failed with rc %d\n", pszMsg, WEXITSTATUS(iStatus));
|
---|
2970 | #endif
|
---|
2971 | (void)pEntry;
|
---|
2972 | }
|
---|
2973 |
|
---|
2974 |
|
---|
2975 | /**
|
---|
2976 | * Creates a pipe for setting up redirected stdin/stdout.
|
---|
2977 | *
|
---|
2978 | * @param pEntry The cache entry.
|
---|
2979 | * @param paFDs Where to store the two file descriptors.
|
---|
2980 | * @param pszMsg The operation message for info/error messages.
|
---|
2981 | * @param pszPipeName The pipe name if it is supposed to be named. (Windows only.)
|
---|
2982 | * @param fText Whether to read text mode or binary mode.
|
---|
2983 | */
|
---|
2984 | static void kOCEntryCreatePipe(PKOCENTRY pEntry, int *paFDs, const char *pszPipeName, const char *pszMsg, int fText)
|
---|
2985 | {
|
---|
2986 | paFDs[0] = paFDs[1] = -1;
|
---|
2987 | #if defined(__WIN__)
|
---|
2988 | if (pszPipeName)
|
---|
2989 | {
|
---|
2990 | HANDLE hPipe = CreateNamedPipeA(pszPipeName,
|
---|
2991 | /*PIPE_ACCESS_OUTBOUND*/ PIPE_ACCESS_DUPLEX,
|
---|
2992 | PIPE_READMODE_BYTE | PIPE_WAIT,
|
---|
2993 | 10 /* nMaxInstances */,
|
---|
2994 | 0x10000 /* nOutBuffer */,
|
---|
2995 | 0x10000 /* nInBuffer */,
|
---|
2996 | NMPWAIT_WAIT_FOREVER,
|
---|
2997 | NULL /* pSecurityAttributes */);
|
---|
2998 |
|
---|
2999 | if (hPipe == INVALID_HANDLE_VALUE)
|
---|
3000 | FatalDie("%s - CreateNamedPipe(%s) failed: %d\n", pszMsg, pszPipeName, GetLastError());
|
---|
3001 |
|
---|
3002 | paFDs[1 /* write */] = _open_osfhandle((intptr_t)hPipe, _O_WRONLY | _O_TEXT | _O_NOINHERIT);
|
---|
3003 | if (paFDs[1 /* write */] == -1)
|
---|
3004 | FatalDie("%s - _open_osfhandle failed: %d\n", pszMsg, strerror(errno));
|
---|
3005 | }
|
---|
3006 | else if ( _pipe(paFDs, 256*1024, _O_NOINHERIT | (fText ? _O_TEXT : _O_BINARY)) < 0
|
---|
3007 | && _pipe(paFDs, 0, _O_NOINHERIT | (fText ? _O_TEXT : _O_BINARY)) < 0)
|
---|
3008 | #else
|
---|
3009 | if (pipe(paFDs) < 0)
|
---|
3010 | #endif
|
---|
3011 | FatalDie("%s - pipe failed: %s\n", pszMsg, strerror(errno));
|
---|
3012 | #if !defined(__WIN__)
|
---|
3013 | fcntl(paFDs[0], F_SETFD, FD_CLOEXEC);
|
---|
3014 | fcntl(paFDs[1], F_SETFD, FD_CLOEXEC);
|
---|
3015 | #endif
|
---|
3016 |
|
---|
3017 | (void)pEntry;
|
---|
3018 | }
|
---|
3019 |
|
---|
3020 |
|
---|
3021 | /**
|
---|
3022 | * Spawns a child that produces output to stdout.
|
---|
3023 | *
|
---|
3024 | * @param papszArgv Argument vector. The cArgv element is NULL.
|
---|
3025 | * @param cArgv The number of arguments in the vector.
|
---|
3026 | * @param pszMsg The operation message for info/error messages.
|
---|
3027 | * @param pfnConsumer Pointer to a consumer callback function that is responsible
|
---|
3028 | * for servicing the child output and closing the pipe.
|
---|
3029 | */
|
---|
3030 | static void kOCEntrySpawnProducer(PKOCENTRY pEntry, const char * const *papszArgv, unsigned cArgv, const char *pszMsg,
|
---|
3031 | void (*pfnConsumer)(PKOCENTRY, int))
|
---|
3032 | {
|
---|
3033 | int fds[2];
|
---|
3034 | pid_t pid;
|
---|
3035 |
|
---|
3036 | kOCEntryCreatePipe(pEntry, fds, NULL, pszMsg, pEntry->fOptimizeCpp);
|
---|
3037 | pid = kOCEntrySpawnChild(pEntry, &pEntry->New.cMsCpp, papszArgv, cArgv, -1, fds[1 /* write */], pszMsg);
|
---|
3038 |
|
---|
3039 | pfnConsumer(pEntry, fds[0 /* read */]);
|
---|
3040 |
|
---|
3041 | kOCEntryWaitChild(pEntry, &pEntry->New.cMsCpp, pid, pszMsg);
|
---|
3042 | }
|
---|
3043 |
|
---|
3044 |
|
---|
3045 | /**
|
---|
3046 | * Spawns a child that consumes input on stdin or via a named pipe.
|
---|
3047 | *
|
---|
3048 | * @param papszArgv Argument vector. The cArgv element is NULL.
|
---|
3049 | * @param cArgv The number of arguments in the vector.
|
---|
3050 | * @param pszMsg The operation message for info/error messages.
|
---|
3051 | * @param pfnProducer Pointer to a producer callback function that is responsible
|
---|
3052 | * for serving the child input and closing the pipe.
|
---|
3053 | */
|
---|
3054 | static void kOCEntrySpawnConsumer(PKOCENTRY pEntry, const char * const *papszArgv, unsigned cArgv, const char *pszMsg,
|
---|
3055 | void (*pfnProducer)(PKOCENTRY, int))
|
---|
3056 | {
|
---|
3057 | int fds[2];
|
---|
3058 | pid_t pid;
|
---|
3059 |
|
---|
3060 | kOCEntryCreatePipe(pEntry, fds, pEntry->pszNmPipeCompile, pszMsg, 0 /*fText*/);
|
---|
3061 | pid = kOCEntrySpawnChild(pEntry, &pEntry->New.cMsCompile, papszArgv, cArgv, fds[0 /* read */], -1, pszMsg);
|
---|
3062 | #ifdef __WIN__
|
---|
3063 | if (pEntry->pszNmPipeCompile && !ConnectNamedPipe((HANDLE)_get_osfhandle(fds[1 /* write */]), NULL))
|
---|
3064 | FatalDie("compile - ConnectNamedPipe failed: %d\n", GetLastError());
|
---|
3065 | #endif
|
---|
3066 |
|
---|
3067 | pfnProducer(pEntry, fds[1 /* write */]);
|
---|
3068 |
|
---|
3069 | kOCEntryWaitChild(pEntry, &pEntry->New.cMsCompile, pid, pszMsg);
|
---|
3070 | }
|
---|
3071 |
|
---|
3072 |
|
---|
3073 | /**
|
---|
3074 | * Spawns two child processes, one producing output and one consuming.
|
---|
3075 | * Terminating on failure.
|
---|
3076 | *
|
---|
3077 | * @param papszArgv Argument vector. The cArgv element is NULL.
|
---|
3078 | * @param cArgv The number of arguments in the vector.
|
---|
3079 | * @param pszMsg The operation message for info/error messages.
|
---|
3080 | * @param pfnConsumer Pointer to a consumer callback function that is responsible
|
---|
3081 | * for servicing the child output and closing the pipe.
|
---|
3082 | */
|
---|
3083 | static void kOCEntrySpawnTee(PKOCENTRY pEntry, const char * const *papszProdArgv, unsigned cProdArgv,
|
---|
3084 | const char * const *papszConsArgv, unsigned cConsArgv,
|
---|
3085 | const char *pszMsg, void (*pfnTeeConsumer)(PKOCENTRY, int, int))
|
---|
3086 | {
|
---|
3087 | int fds[2];
|
---|
3088 | int fdIn, fdOut;
|
---|
3089 | pid_t pidProducer, pidConsumer;
|
---|
3090 |
|
---|
3091 | /*
|
---|
3092 | * The producer.
|
---|
3093 | */
|
---|
3094 | kOCEntryCreatePipe(pEntry, fds, NULL, pszMsg, pEntry->fOptimizeCpp);
|
---|
3095 | pidConsumer = kOCEntrySpawnChild(pEntry, &pEntry->New.cMsCpp, papszProdArgv, cProdArgv, -1, fds[1 /* write */], pszMsg);
|
---|
3096 | fdIn = fds[0 /* read */];
|
---|
3097 |
|
---|
3098 | /*
|
---|
3099 | * The consumer.
|
---|
3100 | */
|
---|
3101 | kOCEntryCreatePipe(pEntry, fds, pEntry->pszNmPipeCompile, pszMsg, 0 /*fText*/);
|
---|
3102 | pidProducer = kOCEntrySpawnChild(pEntry, &pEntry->New.cMsCompile, papszConsArgv, cConsArgv, fds[0 /* read */], -1, pszMsg);
|
---|
3103 | fdOut = fds[1 /* write */];
|
---|
3104 |
|
---|
3105 | /*
|
---|
3106 | * Hand it on to the tee consumer.
|
---|
3107 | */
|
---|
3108 | pfnTeeConsumer(pEntry, fdIn, fdOut);
|
---|
3109 |
|
---|
3110 | /*
|
---|
3111 | * Reap the children.
|
---|
3112 | */
|
---|
3113 | kOCEntryWaitChild(pEntry, &pEntry->New.cMsCpp, pidProducer, pszMsg);
|
---|
3114 | kOCEntryWaitChild(pEntry, &pEntry->New.cMsCompile, pidConsumer, pszMsg);
|
---|
3115 | }
|
---|
3116 |
|
---|
3117 |
|
---|
3118 | /**
|
---|
3119 | * Reads the output from the preprocessor.
|
---|
3120 | *
|
---|
3121 | * @param pEntry The cache entry. New.cbCpp and New.pszCppMapping will be updated.
|
---|
3122 | * @param pWhich Specifies what to read (old/new).
|
---|
3123 | * @param fNonFatal Whether failure is fatal or not.
|
---|
3124 | */
|
---|
3125 | static int kOCEntryReadCppOutput(PKOCENTRY pEntry, struct KOCENTRYDATA *pWhich, int fNonFatal)
|
---|
3126 | {
|
---|
3127 | pWhich->pszCppMapping = ReadFileInDir(pWhich->pszCppName, pEntry->pszDir, &pWhich->cbCpp);
|
---|
3128 | if (!pWhich->pszCppMapping)
|
---|
3129 | {
|
---|
3130 | if (!fNonFatal)
|
---|
3131 | FatalDie("failed to open/read '%s' in '%s': %s\n",
|
---|
3132 | pWhich->pszCppName, pEntry->pszDir, strerror(errno));
|
---|
3133 | InfoMsg(2, "failed to open/read '%s' in '%s': %s\n",
|
---|
3134 | pWhich->pszCppName, pEntry->pszDir, strerror(errno));
|
---|
3135 | return -1;
|
---|
3136 | }
|
---|
3137 |
|
---|
3138 | InfoMsg(3, "preprocessed file is %lu bytes long\n", (unsigned long)pWhich->cbCpp);
|
---|
3139 | return 0;
|
---|
3140 | }
|
---|
3141 |
|
---|
3142 |
|
---|
3143 | /**
|
---|
3144 | * Worker for kOCEntryPreProcess and calculates the checksum of
|
---|
3145 | * the preprocessor output.
|
---|
3146 | *
|
---|
3147 | * @param pEntry The cache entry. NewSum will be updated.
|
---|
3148 | */
|
---|
3149 | static void kOCEntryCalcChecksum(PKOCENTRY pEntry)
|
---|
3150 | {
|
---|
3151 | KOCSUMCTX Ctx;
|
---|
3152 | kOCSumInitWithCtx(&pEntry->New.SumHead, &Ctx);
|
---|
3153 | kOCSumUpdate(&pEntry->New.SumHead, &Ctx, pEntry->New.pszCppMapping, pEntry->New.cbCpp);
|
---|
3154 | kOCSumFinalize(&pEntry->New.SumHead, &Ctx);
|
---|
3155 | kOCSumInfo(&pEntry->New.SumHead, 4, "cpp (file)");
|
---|
3156 | }
|
---|
3157 |
|
---|
3158 |
|
---|
3159 | /**
|
---|
3160 | * This consumes the preprocessor output and checksums it.
|
---|
3161 | *
|
---|
3162 | * @param pEntry The cache entry.
|
---|
3163 | * @param fdIn The preprocessor output pipe.
|
---|
3164 | * @param fdOut The compiler input pipe, -1 if no compiler.
|
---|
3165 | */
|
---|
3166 | static void kOCEntryPreProcessConsumer(PKOCENTRY pEntry, int fdIn)
|
---|
3167 | {
|
---|
3168 | KOCSUMCTX Ctx;
|
---|
3169 | KOCCPPRD CppRd;
|
---|
3170 |
|
---|
3171 | kOCSumInitWithCtx(&pEntry->New.SumHead, &Ctx);
|
---|
3172 | kOCCppRdInit(&CppRd, pEntry->Old.cbCpp, pEntry->fOptimizeCpp,
|
---|
3173 | pEntry->pszMakeDepFilename ? &pEntry->DepState : NULL);
|
---|
3174 |
|
---|
3175 | for (;;)
|
---|
3176 | {
|
---|
3177 | /*
|
---|
3178 | * Read data from the pipe.
|
---|
3179 | */
|
---|
3180 | const char *psz;
|
---|
3181 | long cbRead = kOCCppRdRead(&CppRd, fdIn, &psz);
|
---|
3182 | if (!cbRead)
|
---|
3183 | break;
|
---|
3184 |
|
---|
3185 | /*
|
---|
3186 | * Process the data.
|
---|
3187 | */
|
---|
3188 | kOCSumUpdate(&pEntry->New.SumHead, &Ctx, psz, cbRead);
|
---|
3189 | if (pEntry->pszMakeDepFilename && !pEntry->fOptimizeCpp)
|
---|
3190 | kOCDepConsumer(&pEntry->DepState, psz, cbRead);
|
---|
3191 | }
|
---|
3192 |
|
---|
3193 | close(fdIn);
|
---|
3194 | kOCCppRdGrabOutput(&CppRd, &pEntry->New.pszCppMapping, &pEntry->New.cbCpp);
|
---|
3195 | kOCCppRdDelete(&CppRd);
|
---|
3196 | kOCSumFinalize(&pEntry->New.SumHead, &Ctx);
|
---|
3197 | kOCSumInfo(&pEntry->New.SumHead, 4, "cpp (pipe)");
|
---|
3198 | }
|
---|
3199 |
|
---|
3200 |
|
---|
3201 |
|
---|
3202 |
|
---|
3203 | /**
|
---|
3204 | * Run the preprocessor and calculate the checksum of the output.
|
---|
3205 | *
|
---|
3206 | * @param pEntry The cache entry.
|
---|
3207 | * @param papszArgvPreComp The argument vector for executing preprocessor.
|
---|
3208 | * The cArgvPreComp'th argument must be NULL.
|
---|
3209 | * @param cArgvPreComp The number of arguments.
|
---|
3210 | */
|
---|
3211 | static void kOCEntryPreProcess(PKOCENTRY pEntry, const char * const *papszArgvPreComp, unsigned cArgvPreComp)
|
---|
3212 | {
|
---|
3213 | /*
|
---|
3214 | * If we're executing the preprocessor in piped mode, it's relatively simple.
|
---|
3215 | */
|
---|
3216 | if (pEntry->fPipedPreComp)
|
---|
3217 | kOCEntrySpawnProducer(pEntry, papszArgvPreComp, cArgvPreComp, "preprocess",
|
---|
3218 | kOCEntryPreProcessConsumer);
|
---|
3219 | else
|
---|
3220 | {
|
---|
3221 | /*
|
---|
3222 | * Rename the old preprocessed output to '-old' so the preprocessor won't
|
---|
3223 | * overwrite it when we execute it.
|
---|
3224 | */
|
---|
3225 | if ( pEntry->Old.pszCppName
|
---|
3226 | && DoesFileInDirExist(pEntry->Old.pszCppName, pEntry->pszDir))
|
---|
3227 | {
|
---|
3228 | size_t cch = strlen(pEntry->Old.pszCppName);
|
---|
3229 | char *psz = xmalloc(cch + sizeof("-old"));
|
---|
3230 | memcpy(psz, pEntry->Old.pszCppName, cch);
|
---|
3231 | memcpy(psz + cch, "-old", sizeof("-old"));
|
---|
3232 |
|
---|
3233 | InfoMsg(3, "renaming '%s' to '%s' in '%s'\n", pEntry->Old.pszCppName, psz, pEntry->pszDir);
|
---|
3234 | UnlinkFileInDir(psz, pEntry->pszDir);
|
---|
3235 | if (RenameFileInDir(pEntry->Old.pszCppName, psz, pEntry->pszDir))
|
---|
3236 | FatalDie("failed to rename '%s' -> '%s' in '%s': %s\n",
|
---|
3237 | pEntry->Old.pszCppName, psz, pEntry->pszDir, strerror(errno));
|
---|
3238 | free(pEntry->Old.pszCppName);
|
---|
3239 | pEntry->Old.pszCppName = psz;
|
---|
3240 | }
|
---|
3241 |
|
---|
3242 | /*
|
---|
3243 | * Preprocess it and calculate the checksum on the output.
|
---|
3244 | */
|
---|
3245 | InfoMsg(3, "precompiling -> '%s'...\n", pEntry->New.pszCppName);
|
---|
3246 | kOCEntrySpawn(pEntry, &pEntry->New.cMsCpp, papszArgvPreComp, cArgvPreComp, "preprocess", NULL);
|
---|
3247 | kOCEntryReadCppOutput(pEntry, &pEntry->New, 0 /* fatal */);
|
---|
3248 | kOCEntryCalcChecksum(pEntry);
|
---|
3249 | if (pEntry->pszMakeDepFilename)
|
---|
3250 | kOCDepConsumer(&pEntry->DepState, pEntry->New.pszCppMapping, pEntry->New.cbCpp);
|
---|
3251 | }
|
---|
3252 |
|
---|
3253 | if (pEntry->pszMakeDepFilename)
|
---|
3254 | kOCDepWriteToFile(&pEntry->DepState, pEntry->pszMakeDepFilename, pEntry->New.pszObjName, pEntry->pszDir,
|
---|
3255 | pEntry->fMakeDepFixCase, pEntry->fMakeDepQuiet, pEntry->fMakeDepGenStubs);
|
---|
3256 | }
|
---|
3257 |
|
---|
3258 |
|
---|
3259 | /**
|
---|
3260 | * Worker function for kOCEntryTeeConsumer and kOCEntryCompileIt that
|
---|
3261 | * writes the preprocessor output to disk.
|
---|
3262 | *
|
---|
3263 | * @param pEntry The cache entry.
|
---|
3264 | * @param fFreeIt Whether we can free it after writing it or not.
|
---|
3265 | */
|
---|
3266 | static void kOCEntryWriteCppOutput(PKOCENTRY pEntry, int fFreeIt)
|
---|
3267 | {
|
---|
3268 | /*
|
---|
3269 | * Remove old files.
|
---|
3270 | */
|
---|
3271 | if (pEntry->Old.pszCppName)
|
---|
3272 | UnlinkFileInDir(pEntry->Old.pszCppName, pEntry->pszDir);
|
---|
3273 | if (pEntry->New.pszCppName)
|
---|
3274 | UnlinkFileInDir(pEntry->New.pszCppName, pEntry->pszDir);
|
---|
3275 |
|
---|
3276 | /*
|
---|
3277 | * Write it to disk if we've got a file name.
|
---|
3278 | */
|
---|
3279 | if (pEntry->New.pszCppName)
|
---|
3280 | {
|
---|
3281 | long cbLeft;
|
---|
3282 | char *psz;
|
---|
3283 | int fd = OpenFileInDir(pEntry->New.pszCppName, pEntry->pszDir,
|
---|
3284 | O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
|
---|
3285 | if (fd == -1)
|
---|
3286 | FatalDie("Failed to create '%s' in '%s': %s\n",
|
---|
3287 | pEntry->New.pszCppName, pEntry->pszDir, strerror(errno));
|
---|
3288 | psz = pEntry->New.pszCppMapping;
|
---|
3289 | cbLeft = (long)pEntry->New.cbCpp;
|
---|
3290 | while (cbLeft > 0)
|
---|
3291 | {
|
---|
3292 | long cbWritten = write(fd, psz, cbLeft);
|
---|
3293 | if (cbWritten < 0)
|
---|
3294 | {
|
---|
3295 | int iErr = errno;
|
---|
3296 | if (iErr == EINTR)
|
---|
3297 | continue;
|
---|
3298 | close(fd);
|
---|
3299 | UnlinkFileInDir(pEntry->New.pszCppName, pEntry->pszDir);
|
---|
3300 | FatalDie("error writing '%s' in '%s': %s\n",
|
---|
3301 | pEntry->New.pszCppName, pEntry->pszDir, strerror(iErr));
|
---|
3302 | }
|
---|
3303 |
|
---|
3304 | psz += cbWritten;
|
---|
3305 | cbLeft -= cbWritten;
|
---|
3306 | }
|
---|
3307 | close(fd);
|
---|
3308 | }
|
---|
3309 |
|
---|
3310 | /*
|
---|
3311 | * Free it.
|
---|
3312 | */
|
---|
3313 | if (fFreeIt)
|
---|
3314 | {
|
---|
3315 | free(pEntry->New.pszCppMapping);
|
---|
3316 | pEntry->New.pszCppMapping = NULL;
|
---|
3317 | }
|
---|
3318 | }
|
---|
3319 |
|
---|
3320 |
|
---|
3321 | /**
|
---|
3322 | * kOCEntrySpawnConsumer callback that passes the preprocessor output to the
|
---|
3323 | * compiler and writes it to the disk (latter only when necesary).
|
---|
3324 | *
|
---|
3325 | * @param pEntry The cache entry.
|
---|
3326 | * @param fdOut The pipe handle connected to the childs stdin.
|
---|
3327 | */
|
---|
3328 | static void kOCEntryCompileProducer(PKOCENTRY pEntry, int fdOut)
|
---|
3329 | {
|
---|
3330 | const char *psz = pEntry->New.pszCppMapping;
|
---|
3331 | long cbLeft = (long)pEntry->New.cbCpp;
|
---|
3332 | while (cbLeft > 0)
|
---|
3333 | {
|
---|
3334 | long cbWritten = write(fdOut, psz, cbLeft);
|
---|
3335 | if (cbWritten < 0)
|
---|
3336 | {
|
---|
3337 | if (errno == EINTR)
|
---|
3338 | continue;
|
---|
3339 | #ifdef __WIN__ /* HACK */
|
---|
3340 | if ( errno == EINVAL
|
---|
3341 | && pEntry->pszNmPipeCompile
|
---|
3342 | && DisconnectNamedPipe((HANDLE)_get_osfhandle(fdOut))
|
---|
3343 | && ConnectNamedPipe((HANDLE)_get_osfhandle(fdOut), NULL))
|
---|
3344 | {
|
---|
3345 | psz = pEntry->New.pszCppMapping;
|
---|
3346 | cbLeft = (long)pEntry->New.cbCpp;
|
---|
3347 | }
|
---|
3348 | FatalDie("compile - write(%d,,%ld) failed: %s - _doserrno=%d\n", fdOut, cbLeft, strerror(errno), _doserrno);
|
---|
3349 | #else
|
---|
3350 | FatalDie("compile - write(%d,,%ld) failed: %s\n", fdOut, cbLeft, strerror(errno));
|
---|
3351 | #endif
|
---|
3352 | }
|
---|
3353 | psz += cbWritten;
|
---|
3354 | cbLeft -= cbWritten;
|
---|
3355 | }
|
---|
3356 | close(fdOut);
|
---|
3357 |
|
---|
3358 | if (pEntry->fPipedPreComp)
|
---|
3359 | kOCEntryWriteCppOutput(pEntry, 1 /* free it */);
|
---|
3360 | }
|
---|
3361 |
|
---|
3362 |
|
---|
3363 | /**
|
---|
3364 | * Does the actual compiling.
|
---|
3365 | *
|
---|
3366 | * @param pEntry The cache entry.
|
---|
3367 | */
|
---|
3368 | static void kOCEntryCompileIt(PKOCENTRY pEntry)
|
---|
3369 | {
|
---|
3370 | /*
|
---|
3371 | * Delete the object files and free old cpp output that's no longer needed.
|
---|
3372 | */
|
---|
3373 | if (pEntry->Old.pszObjName)
|
---|
3374 | UnlinkFileInDir(pEntry->Old.pszObjName, pEntry->pszDir);
|
---|
3375 | UnlinkFileInDir(pEntry->New.pszObjName, pEntry->pszDir);
|
---|
3376 |
|
---|
3377 | free(pEntry->Old.pszCppMapping);
|
---|
3378 | pEntry->Old.pszCppMapping = NULL;
|
---|
3379 | if (!pEntry->fPipedPreComp && !pEntry->fPipedCompile)
|
---|
3380 | {
|
---|
3381 | free(pEntry->New.pszCppMapping);
|
---|
3382 | pEntry->New.pszCppMapping = NULL;
|
---|
3383 | }
|
---|
3384 |
|
---|
3385 | /*
|
---|
3386 | * Do the (re-)compile job.
|
---|
3387 | */
|
---|
3388 | if (pEntry->fPipedCompile)
|
---|
3389 | {
|
---|
3390 | if ( !pEntry->fPipedPreComp
|
---|
3391 | && !pEntry->New.pszCppMapping)
|
---|
3392 | kOCEntryReadCppOutput(pEntry, &pEntry->New, 0 /* fatal */);
|
---|
3393 | InfoMsg(3, "compiling -> '%s'...\n", pEntry->New.pszObjName);
|
---|
3394 | kOCEntrySpawnConsumer(pEntry, (const char * const *)pEntry->New.papszArgvCompile,
|
---|
3395 | pEntry->New.cArgvCompile, "compile", kOCEntryCompileProducer);
|
---|
3396 | }
|
---|
3397 | else
|
---|
3398 | {
|
---|
3399 | if (pEntry->fPipedPreComp)
|
---|
3400 | kOCEntryWriteCppOutput(pEntry, 1 /* free it */);
|
---|
3401 | InfoMsg(3, "compiling -> '%s'...\n", pEntry->New.pszObjName);
|
---|
3402 | kOCEntrySpawn(pEntry, &pEntry->New.cMsCompile, (const char * const *)pEntry->New.papszArgvCompile,
|
---|
3403 | pEntry->New.cArgvCompile, "compile", NULL);
|
---|
3404 | }
|
---|
3405 | }
|
---|
3406 |
|
---|
3407 |
|
---|
3408 | /**
|
---|
3409 | * kOCEntrySpawnTee callback that works sort of like 'tee'.
|
---|
3410 | *
|
---|
3411 | * It will calculate the preprocessed output checksum and
|
---|
3412 | * write it to disk while the compiler is busy compiling it.
|
---|
3413 | *
|
---|
3414 | * @param pEntry The cache entry.
|
---|
3415 | * @param fdIn The input handle (connected to the preprocessor).
|
---|
3416 | * @param fdOut The output handle (connected to the compiler).
|
---|
3417 | */
|
---|
3418 | static void kOCEntryTeeConsumer(PKOCENTRY pEntry, int fdIn, int fdOut)
|
---|
3419 | {
|
---|
3420 | #ifdef __WIN__
|
---|
3421 | unsigned fConnectedToCompiler = fdOut == -1 || pEntry->pszNmPipeCompile == NULL;
|
---|
3422 | #endif
|
---|
3423 | KOCSUMCTX Ctx;
|
---|
3424 | KOCCPPRD CppRd;
|
---|
3425 |
|
---|
3426 | kOCSumInitWithCtx(&pEntry->New.SumHead, &Ctx);
|
---|
3427 | kOCCppRdInit(&CppRd, pEntry->Old.cbCpp, pEntry->fOptimizeCpp,
|
---|
3428 | pEntry->pszMakeDepFilename ? &pEntry->DepState : NULL);
|
---|
3429 | InfoMsg(3, "preprocessor|compile - starting passhtru...\n");
|
---|
3430 | for (;;)
|
---|
3431 | {
|
---|
3432 | /*
|
---|
3433 | * Read data from the pipe.
|
---|
3434 | */
|
---|
3435 | const char *psz;
|
---|
3436 | long cbRead = kOCCppRdRead(&CppRd, fdIn, &psz);
|
---|
3437 | if (!cbRead)
|
---|
3438 | break;
|
---|
3439 | InfoMsg(3, "preprocessor|compile - read %d\n", cbRead);
|
---|
3440 |
|
---|
3441 | /*
|
---|
3442 | * Process the data.
|
---|
3443 | */
|
---|
3444 | kOCSumUpdate(&pEntry->New.SumHead, &Ctx, psz, cbRead);
|
---|
3445 | if (pEntry->pszMakeDepFilename && !pEntry->fOptimizeCpp)
|
---|
3446 | kOCDepConsumer(&pEntry->DepState, psz, cbRead);
|
---|
3447 |
|
---|
3448 | #ifdef __WIN__
|
---|
3449 | if ( !fConnectedToCompiler
|
---|
3450 | && !(fConnectedToCompiler = ConnectNamedPipe((HANDLE)_get_osfhandle(fdOut), NULL)))
|
---|
3451 | FatalDie("preprocess|compile - ConnectNamedPipe failed: %d\n", GetLastError());
|
---|
3452 | #endif
|
---|
3453 | do
|
---|
3454 | {
|
---|
3455 | long cbWritten = write(fdOut, psz, cbRead);
|
---|
3456 | if (cbWritten < 0)
|
---|
3457 | {
|
---|
3458 | if (errno == EINTR)
|
---|
3459 | continue;
|
---|
3460 | FatalDie("preprocess|compile - write(%d,,%ld) failed: %s\n", fdOut, cbRead, strerror(errno));
|
---|
3461 | }
|
---|
3462 | psz += cbWritten;
|
---|
3463 | cbRead -= cbWritten;
|
---|
3464 | } while (cbRead > 0);
|
---|
3465 |
|
---|
3466 | }
|
---|
3467 | InfoMsg(3, "preprocessor|compile - done passhtru\n");
|
---|
3468 |
|
---|
3469 | close(fdIn);
|
---|
3470 | close(fdOut);
|
---|
3471 | kOCCppRdGrabOutput(&CppRd, &pEntry->New.pszCppMapping, &pEntry->New.cbCpp);
|
---|
3472 | kOCCppRdDelete(&CppRd);
|
---|
3473 | kOCSumFinalize(&pEntry->New.SumHead, &Ctx);
|
---|
3474 | kOCSumInfo(&pEntry->New.SumHead, 4, "cpp (tee)");
|
---|
3475 |
|
---|
3476 | /*
|
---|
3477 | * Write the preprocessor output to disk and free the memory it
|
---|
3478 | * occupies while the compiler is busy compiling.
|
---|
3479 | */
|
---|
3480 | kOCEntryWriteCppOutput(pEntry, 1 /* free it */);
|
---|
3481 | }
|
---|
3482 |
|
---|
3483 |
|
---|
3484 | /**
|
---|
3485 | * Performs pre-compile and compile in one go (typical clean build scenario).
|
---|
3486 | *
|
---|
3487 | * @param pEntry The cache entry.
|
---|
3488 | * @param papszArgvPreComp The argument vector for executing preprocessor.
|
---|
3489 | * The cArgvPreComp'th argument must be NULL.
|
---|
3490 | * @param cArgvPreComp The number of arguments.
|
---|
3491 | */
|
---|
3492 | static void kOCEntryPreProcessAndCompile(PKOCENTRY pEntry, const char * const *papszArgvPreComp, unsigned cArgvPreComp)
|
---|
3493 | {
|
---|
3494 | if ( pEntry->fPipedCompile
|
---|
3495 | && pEntry->fPipedPreComp)
|
---|
3496 | {
|
---|
3497 | /*
|
---|
3498 | * Clean up old stuff first.
|
---|
3499 | */
|
---|
3500 | if (pEntry->Old.pszObjName)
|
---|
3501 | UnlinkFileInDir(pEntry->Old.pszObjName, pEntry->pszDir);
|
---|
3502 | if (pEntry->New.pszObjName)
|
---|
3503 | UnlinkFileInDir(pEntry->New.pszObjName, pEntry->pszDir);
|
---|
3504 | if (pEntry->Old.pszCppName)
|
---|
3505 | UnlinkFileInDir(pEntry->Old.pszCppName, pEntry->pszDir);
|
---|
3506 | if (pEntry->New.pszCppName)
|
---|
3507 | UnlinkFileInDir(pEntry->New.pszCppName, pEntry->pszDir);
|
---|
3508 |
|
---|
3509 | /*
|
---|
3510 | * Do the actual compile and write the preprocessor output to disk.
|
---|
3511 | */
|
---|
3512 | kOCEntrySpawnTee(pEntry, papszArgvPreComp, cArgvPreComp,
|
---|
3513 | (const char * const *)pEntry->New.papszArgvCompile, pEntry->New.cArgvCompile,
|
---|
3514 | "preprocess|compile", kOCEntryTeeConsumer);
|
---|
3515 | if (pEntry->pszMakeDepFilename)
|
---|
3516 | kOCDepWriteToFile(&pEntry->DepState, pEntry->pszMakeDepFilename, pEntry->New.pszObjName, pEntry->pszDir,
|
---|
3517 | pEntry->fMakeDepFixCase, pEntry->fMakeDepQuiet, pEntry->fMakeDepGenStubs);
|
---|
3518 | }
|
---|
3519 | else
|
---|
3520 | {
|
---|
3521 | kOCEntryPreProcess(pEntry, papszArgvPreComp, cArgvPreComp);
|
---|
3522 | kOCEntryCompileIt(pEntry);
|
---|
3523 | }
|
---|
3524 | }
|
---|
3525 |
|
---|
3526 |
|
---|
3527 | /**
|
---|
3528 | * Check whether the string is a '#line' statement.
|
---|
3529 | *
|
---|
3530 | * @returns 1 if it is, 0 if it isn't.
|
---|
3531 | * @param psz The line to examin.
|
---|
3532 | * @parma piLine Where to store the line number.
|
---|
3533 | * @parma ppszFile Where to store the start of the filename.
|
---|
3534 | */
|
---|
3535 | static int kOCEntryIsLineStatement(const char *psz, unsigned *piLine, const char **ppszFile)
|
---|
3536 | {
|
---|
3537 | unsigned iLine;
|
---|
3538 |
|
---|
3539 | /* Expect a hash. */
|
---|
3540 | if (*psz++ != '#')
|
---|
3541 | return 0;
|
---|
3542 |
|
---|
3543 | /* Skip blanks between '#' and the line / number */
|
---|
3544 | while (*psz == ' ' || *psz == '\t')
|
---|
3545 | psz++;
|
---|
3546 |
|
---|
3547 | /* Skip the 'line' if present. */
|
---|
3548 | if (!strncmp(psz, "line", sizeof("line") - 1))
|
---|
3549 | psz += sizeof("line");
|
---|
3550 |
|
---|
3551 | /* Expect a line number now. */
|
---|
3552 | if ((unsigned char)(*psz - '0') > 9)
|
---|
3553 | return 0;
|
---|
3554 | iLine = 0;
|
---|
3555 | do
|
---|
3556 | {
|
---|
3557 | iLine *= 10;
|
---|
3558 | iLine += (*psz - '0');
|
---|
3559 | psz++;
|
---|
3560 | }
|
---|
3561 | while ((unsigned char)(*psz - '0') <= 9);
|
---|
3562 |
|
---|
3563 | /* Expect one or more space now. */
|
---|
3564 | if (*psz != ' ' && *psz != '\t')
|
---|
3565 | return 0;
|
---|
3566 | do psz++;
|
---|
3567 | while (*psz == ' ' || *psz == '\t');
|
---|
3568 |
|
---|
3569 | /* that's good enough. */
|
---|
3570 | *piLine = iLine;
|
---|
3571 | *ppszFile = psz;
|
---|
3572 | return 1;
|
---|
3573 | }
|
---|
3574 |
|
---|
3575 |
|
---|
3576 | /**
|
---|
3577 | * Scan backwards for the previous #line statement.
|
---|
3578 | *
|
---|
3579 | * @returns The filename in the previous statement.
|
---|
3580 | * @param pszStart Where to start.
|
---|
3581 | * @param pszStop Where to stop. Less than pszStart.
|
---|
3582 | * @param piLine The line number count to adjust.
|
---|
3583 | */
|
---|
3584 | static const char *kOCEntryFindFileStatement(const char *pszStart, const char *pszStop, unsigned *piLine)
|
---|
3585 | {
|
---|
3586 | unsigned iLine = *piLine;
|
---|
3587 | assert(pszStart >= pszStop);
|
---|
3588 | while (pszStart >= pszStop)
|
---|
3589 | {
|
---|
3590 | if (*pszStart == '\n')
|
---|
3591 | iLine++;
|
---|
3592 | else if (*pszStart == '#')
|
---|
3593 | {
|
---|
3594 | unsigned iLineTmp;
|
---|
3595 | const char *pszFile;
|
---|
3596 | const char *psz = pszStart - 1;
|
---|
3597 | while (psz >= pszStop && (*psz == ' ' || *psz =='\t'))
|
---|
3598 | psz--;
|
---|
3599 | if ( (psz < pszStop || *psz == '\n')
|
---|
3600 | && kOCEntryIsLineStatement(pszStart, &iLineTmp, &pszFile))
|
---|
3601 | {
|
---|
3602 | *piLine = iLine + iLineTmp - 1;
|
---|
3603 | return pszFile;
|
---|
3604 | }
|
---|
3605 | }
|
---|
3606 | pszStart--;
|
---|
3607 | }
|
---|
3608 | return NULL;
|
---|
3609 | }
|
---|
3610 |
|
---|
3611 |
|
---|
3612 | /**
|
---|
3613 | * Worker for kOCEntryCompareOldAndNewOutput() that compares the
|
---|
3614 | * preprocessed output using a fast but not very good method.
|
---|
3615 | *
|
---|
3616 | * @returns 1 if matching, 0 if not matching.
|
---|
3617 | * @param pEntry The entry containing the names of the files to compare.
|
---|
3618 | * The entry is not updated in any way.
|
---|
3619 | */
|
---|
3620 | static int kOCEntryCompareFast(PCKOCENTRY pEntry)
|
---|
3621 | {
|
---|
3622 | const char * psz1 = pEntry->New.pszCppMapping;
|
---|
3623 | const char * const pszEnd1 = psz1 + pEntry->New.cbCpp;
|
---|
3624 | const char * psz2 = pEntry->Old.pszCppMapping;
|
---|
3625 | const char * const pszEnd2 = psz2 + pEntry->Old.cbCpp;
|
---|
3626 |
|
---|
3627 | assert(*pszEnd1 == '\0');
|
---|
3628 | assert(*pszEnd2 == '\0');
|
---|
3629 |
|
---|
3630 | /*
|
---|
3631 | * Iterate block by block and backtrack when we find a difference.
|
---|
3632 | */
|
---|
3633 | for (;;)
|
---|
3634 | {
|
---|
3635 | size_t cch = pszEnd1 - psz1;
|
---|
3636 | if (cch > (size_t)(pszEnd2 - psz2))
|
---|
3637 | cch = pszEnd2 - psz2;
|
---|
3638 | if (cch > 4096)
|
---|
3639 | cch = 4096;
|
---|
3640 | if ( cch
|
---|
3641 | && !memcmp(psz1, psz2, cch))
|
---|
3642 | {
|
---|
3643 | /* no differences */
|
---|
3644 | psz1 += cch;
|
---|
3645 | psz2 += cch;
|
---|
3646 | }
|
---|
3647 | else
|
---|
3648 | {
|
---|
3649 | /*
|
---|
3650 | * Pinpoint the difference exactly and the try find the start
|
---|
3651 | * of that line. Then skip forward until we find something to
|
---|
3652 | * work on that isn't spaces, #line statements or closing curly
|
---|
3653 | * braces.
|
---|
3654 | *
|
---|
3655 | * The closing curly braces are ignored because they are frequently
|
---|
3656 | * found at the end of header files (__END_DECLS) and the worst
|
---|
3657 | * thing that may happen if it isn't one of these braces we're
|
---|
3658 | * ignoring is that the final line in a function block is a little
|
---|
3659 | * bit off in the debug info.
|
---|
3660 | *
|
---|
3661 | * Since we might be skipping a few new empty headers, it is
|
---|
3662 | * possible that we will omit this header from the dependencies
|
---|
3663 | * when using VCC. This might not be a problem, since it seems
|
---|
3664 | * we'll have to use the preprocessor output to generate the deps
|
---|
3665 | * anyway.
|
---|
3666 | */
|
---|
3667 | const char *psz;
|
---|
3668 | const char *pszMismatch1;
|
---|
3669 | const char *pszFile1 = NULL;
|
---|
3670 | unsigned iLine1 = 0;
|
---|
3671 | unsigned cCurlyBraces1 = 0;
|
---|
3672 | const char *pszMismatch2;
|
---|
3673 | const char *pszFile2 = NULL;
|
---|
3674 | unsigned iLine2 = 0;
|
---|
3675 | unsigned cCurlyBraces2 = 0;
|
---|
3676 |
|
---|
3677 | /* locate the difference. */
|
---|
3678 | while (cch >= 512 && !memcmp(psz1, psz2, 512))
|
---|
3679 | psz1 += 512, psz2 += 512, cch -= 512;
|
---|
3680 | while (cch >= 64 && !memcmp(psz1, psz2, 64))
|
---|
3681 | psz1 += 64, psz2 += 64, cch -= 64;
|
---|
3682 | while (*psz1 == *psz2 && cch > 0)
|
---|
3683 | psz1++, psz2++, cch--;
|
---|
3684 |
|
---|
3685 | /* locate the start of that line. */
|
---|
3686 | psz = psz1;
|
---|
3687 | while ( psz > pEntry->New.pszCppMapping
|
---|
3688 | && psz[-1] != '\n')
|
---|
3689 | psz--;
|
---|
3690 | psz2 -= (psz1 - psz);
|
---|
3691 | pszMismatch2 = psz2;
|
---|
3692 | pszMismatch1 = psz1 = psz;
|
---|
3693 |
|
---|
3694 | /* Parse the 1st file line by line. */
|
---|
3695 | while (psz1 < pszEnd1)
|
---|
3696 | {
|
---|
3697 | if (*psz1 == '\n')
|
---|
3698 | {
|
---|
3699 | psz1++;
|
---|
3700 | iLine1++;
|
---|
3701 | }
|
---|
3702 | else
|
---|
3703 | {
|
---|
3704 | psz = psz1;
|
---|
3705 | while (isspace(*psz) && *psz != '\n')
|
---|
3706 | psz++;
|
---|
3707 | if (*psz == '\n')
|
---|
3708 | {
|
---|
3709 | psz1 = psz + 1;
|
---|
3710 | iLine1++;
|
---|
3711 | }
|
---|
3712 | else if (*psz == '#' && kOCEntryIsLineStatement(psz, &iLine1, &pszFile1))
|
---|
3713 | {
|
---|
3714 | psz1 = memchr(psz, '\n', pszEnd1 - psz);
|
---|
3715 | if (!psz1++)
|
---|
3716 | psz1 = pszEnd1;
|
---|
3717 | }
|
---|
3718 | else if (*psz == '}')
|
---|
3719 | {
|
---|
3720 | do psz++;
|
---|
3721 | while (isspace(*psz) && *psz != '\n');
|
---|
3722 | if (*psz == '\n')
|
---|
3723 | iLine1++;
|
---|
3724 | else if (psz != pszEnd1)
|
---|
3725 | break;
|
---|
3726 | cCurlyBraces1++;
|
---|
3727 | psz1 = psz;
|
---|
3728 | }
|
---|
3729 | else if (psz == pszEnd1)
|
---|
3730 | psz1 = psz;
|
---|
3731 | else /* found something that can be compared. */
|
---|
3732 | break;
|
---|
3733 | }
|
---|
3734 | }
|
---|
3735 |
|
---|
3736 | /* Ditto for the 2nd file. */
|
---|
3737 | while (psz2 < pszEnd2)
|
---|
3738 | {
|
---|
3739 | if (*psz2 == '\n')
|
---|
3740 | {
|
---|
3741 | psz2++;
|
---|
3742 | iLine2++;
|
---|
3743 | }
|
---|
3744 | else
|
---|
3745 | {
|
---|
3746 | psz = psz2;
|
---|
3747 | while (isspace(*psz) && *psz != '\n')
|
---|
3748 | psz++;
|
---|
3749 | if (*psz == '\n')
|
---|
3750 | {
|
---|
3751 | psz2 = psz + 1;
|
---|
3752 | iLine2++;
|
---|
3753 | }
|
---|
3754 | else if (*psz == '#' && kOCEntryIsLineStatement(psz, &iLine2, &pszFile2))
|
---|
3755 | {
|
---|
3756 | psz2 = memchr(psz, '\n', pszEnd2 - psz);
|
---|
3757 | if (!psz2++)
|
---|
3758 | psz2 = pszEnd2;
|
---|
3759 | }
|
---|
3760 | else if (*psz == '}')
|
---|
3761 | {
|
---|
3762 | do psz++;
|
---|
3763 | while (isspace(*psz) && *psz != '\n');
|
---|
3764 | if (*psz == '\n')
|
---|
3765 | iLine2++;
|
---|
3766 | else if (psz != pszEnd2)
|
---|
3767 | break;
|
---|
3768 | cCurlyBraces2++;
|
---|
3769 | psz2 = psz;
|
---|
3770 | }
|
---|
3771 | else if (psz == pszEnd2)
|
---|
3772 | psz2 = psz;
|
---|
3773 | else /* found something that can be compared. */
|
---|
3774 | break;
|
---|
3775 | }
|
---|
3776 | }
|
---|
3777 |
|
---|
3778 | /* Match the number of ignored closing curly braces. */
|
---|
3779 | if (cCurlyBraces1 != cCurlyBraces2)
|
---|
3780 | return 0;
|
---|
3781 |
|
---|
3782 | /* Reaching the end of any of them means the return statement can decide. */
|
---|
3783 | if ( psz1 == pszEnd1
|
---|
3784 | || psz2 == pszEnd2)
|
---|
3785 | break;
|
---|
3786 |
|
---|
3787 | /* Match the current line. */
|
---|
3788 | psz = memchr(psz1, '\n', pszEnd1 - psz1);
|
---|
3789 | if (!psz++)
|
---|
3790 | psz = pszEnd1;
|
---|
3791 | cch = psz - psz1;
|
---|
3792 | if (psz2 + cch > pszEnd2)
|
---|
3793 | break;
|
---|
3794 | if (memcmp(psz1, psz2, cch))
|
---|
3795 | break;
|
---|
3796 |
|
---|
3797 | /* Check that we're at the same location now. */
|
---|
3798 | if (!pszFile1)
|
---|
3799 | pszFile1 = kOCEntryFindFileStatement(pszMismatch1, pEntry->New.pszCppMapping, &iLine1);
|
---|
3800 | if (!pszFile2)
|
---|
3801 | pszFile2 = kOCEntryFindFileStatement(pszMismatch2, pEntry->Old.pszCppMapping, &iLine2);
|
---|
3802 | if (pszFile1 && pszFile2)
|
---|
3803 | {
|
---|
3804 | if (iLine1 != iLine2)
|
---|
3805 | break;
|
---|
3806 | while (*pszFile1 == *pszFile2 && *pszFile1 != '\n' && *pszFile1)
|
---|
3807 | pszFile1++, pszFile2++;
|
---|
3808 | if (*pszFile1 != *pszFile2)
|
---|
3809 | break;
|
---|
3810 | }
|
---|
3811 | else if (pszFile1 || pszFile2)
|
---|
3812 | {
|
---|
3813 | assert(0); /* this shouldn't happen. */
|
---|
3814 | break;
|
---|
3815 | }
|
---|
3816 |
|
---|
3817 | /* Advance. We might now have a misaligned buffer, but that's memcmps problem... */
|
---|
3818 | psz1 += cch;
|
---|
3819 | psz2 += cch;
|
---|
3820 | }
|
---|
3821 | }
|
---|
3822 |
|
---|
3823 | return psz1 == pszEnd1
|
---|
3824 | && psz2 == pszEnd2;
|
---|
3825 | }
|
---|
3826 |
|
---|
3827 |
|
---|
3828 | /**
|
---|
3829 | * Worker for kOCEntryCompileIfNeeded that compares the
|
---|
3830 | * preprocessed output.
|
---|
3831 | *
|
---|
3832 | * @returns 1 if matching, 0 if not matching.
|
---|
3833 | * @param pEntry The entry containing the names of the files to compare.
|
---|
3834 | * This will load the old cpp output (changing pszOldCppName and Old.cbCpp).
|
---|
3835 | */
|
---|
3836 | static int kOCEntryCompareOldAndNewOutput(PKOCENTRY pEntry)
|
---|
3837 | {
|
---|
3838 | /*
|
---|
3839 | * I may implement a more sophisticated alternative method later... maybe.
|
---|
3840 | */
|
---|
3841 | if (kOCEntryReadCppOutput(pEntry, &pEntry->Old, 1 /* nonfatal */) == -1)
|
---|
3842 | return 0;
|
---|
3843 | /*if ()
|
---|
3844 | return kOCEntryCompareBest(pEntry);*/
|
---|
3845 | return kOCEntryCompareFast(pEntry);
|
---|
3846 | }
|
---|
3847 |
|
---|
3848 |
|
---|
3849 | /**
|
---|
3850 | * Check if re-compilation is required.
|
---|
3851 | * This sets the fNeedCompile flag.
|
---|
3852 | *
|
---|
3853 | * @param pEntry The cache entry.
|
---|
3854 | */
|
---|
3855 | static void kOCEntryCalcRecompile(PKOCENTRY pEntry)
|
---|
3856 | {
|
---|
3857 | if (pEntry->fNeedCompiling)
|
---|
3858 | return;
|
---|
3859 |
|
---|
3860 | /*
|
---|
3861 | * Check if the preprocessor output differ in any significant way?
|
---|
3862 | */
|
---|
3863 | if (!kOCSumHasEqualInChain(&pEntry->Old.SumHead, &pEntry->New.SumHead))
|
---|
3864 | {
|
---|
3865 | if (pEntry->fOptimizeCpp & 2)
|
---|
3866 | {
|
---|
3867 | InfoMsg(2, "no checksum match - no need to compare output, -O2.\n");
|
---|
3868 | pEntry->fNeedCompiling = 1;
|
---|
3869 | }
|
---|
3870 | else
|
---|
3871 | {
|
---|
3872 | InfoMsg(2, "no checksum match - comparing output\n");
|
---|
3873 | if (!kOCEntryCompareOldAndNewOutput(pEntry))
|
---|
3874 | pEntry->fNeedCompiling = 1;
|
---|
3875 | else
|
---|
3876 | kOCSumAddChain(&pEntry->New.SumHead, &pEntry->Old.SumHead);
|
---|
3877 | }
|
---|
3878 | }
|
---|
3879 | }
|
---|
3880 |
|
---|
3881 |
|
---|
3882 | /**
|
---|
3883 | * Does this cache entry need compiling or what?
|
---|
3884 | *
|
---|
3885 | * @returns 1 if it does, 0 if it doesn't.
|
---|
3886 | * @param pEntry The cache entry in question.
|
---|
3887 | */
|
---|
3888 | static int kOCEntryNeedsCompiling(PCKOCENTRY pEntry)
|
---|
3889 | {
|
---|
3890 | return pEntry->fNeedCompiling;
|
---|
3891 | }
|
---|
3892 |
|
---|
3893 |
|
---|
3894 | /**
|
---|
3895 | * Tries to hardlink a file.
|
---|
3896 | *
|
---|
3897 | * @returns 1 if it succeeded, 0 if it didn't.
|
---|
3898 | * @param pszLink The name of the hardlink.
|
---|
3899 | * @param pszLinkTo The file to hardlinkg @a pszDst to.
|
---|
3900 | */
|
---|
3901 | static int kOCEntryTryHardlink(const char *pszLink, const char *pszLinkTo)
|
---|
3902 | {
|
---|
3903 | #ifdef __WIN__
|
---|
3904 | typedef BOOL (WINAPI *PFNCREATEHARDLINKA)(LPCSTR, LPCSTR, LPSECURITY_ATTRIBUTES);
|
---|
3905 | static PFNCREATEHARDLINKA s_pfnCreateHardLinkA = NULL;
|
---|
3906 | static int s_fTried = FALSE;
|
---|
3907 |
|
---|
3908 | /* The API was introduced in Windows 2000, so resolve it dynamically. */
|
---|
3909 | if (!s_pfnCreateHardLinkA)
|
---|
3910 | {
|
---|
3911 | if (!s_fTried)
|
---|
3912 | {
|
---|
3913 | HMODULE hmod = LoadLibrary("KERNEL32.DLL");
|
---|
3914 | if (hmod)
|
---|
3915 | *(FARPROC *)&s_pfnCreateHardLinkA = GetProcAddress(hmod, "CreateHardLinkA");
|
---|
3916 | s_fTried = TRUE;
|
---|
3917 | }
|
---|
3918 | if (!s_pfnCreateHardLinkA)
|
---|
3919 | return 0;
|
---|
3920 | }
|
---|
3921 |
|
---|
3922 | if (!s_pfnCreateHardLinkA(pszLink, pszLinkTo, NULL))
|
---|
3923 | return 0;
|
---|
3924 | #else
|
---|
3925 | if (link(pszLinkTo, pszLink) != 0)
|
---|
3926 | return 0;
|
---|
3927 | #endif
|
---|
3928 | return 1;
|
---|
3929 | }
|
---|
3930 |
|
---|
3931 |
|
---|
3932 |
|
---|
3933 | /**
|
---|
3934 | * Worker function for kOCEntryCopy.
|
---|
3935 | *
|
---|
3936 | * @param pEntry The entry we're coping to, which pszTo is relative to.
|
---|
3937 | * @param pszTo The destination.
|
---|
3938 | * @param pszFrom The source. This path will be freed.
|
---|
3939 | */
|
---|
3940 | static void kOCEntryCopyFile(PCKOCENTRY pEntry, const char *pszTo, char *pszSrc)
|
---|
3941 | {
|
---|
3942 | char *pszDst = MakePathFromDirAndFile(pszTo, pEntry->pszDir);
|
---|
3943 | unlink(pszDst);
|
---|
3944 | if (!kOCEntryTryHardlink(pszDst, pszSrc))
|
---|
3945 | {
|
---|
3946 | char *pszBuf = xmalloc(256 * 1024);
|
---|
3947 | char *psz;
|
---|
3948 | int fdSrc;
|
---|
3949 | int fdDst;
|
---|
3950 |
|
---|
3951 | /*
|
---|
3952 | * Open the files.
|
---|
3953 | */
|
---|
3954 | fdSrc = open(pszSrc, O_RDONLY | O_BINARY);
|
---|
3955 | if (fdSrc == -1)
|
---|
3956 | FatalDie("failed to open '%s': %s\n", pszSrc, strerror(errno));
|
---|
3957 |
|
---|
3958 | fdDst = open(pszDst, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
|
---|
3959 | if (fdDst == -1)
|
---|
3960 | FatalDie("failed to create '%s': %s\n", pszDst, strerror(errno));
|
---|
3961 |
|
---|
3962 | /*
|
---|
3963 | * Copy them.
|
---|
3964 | */
|
---|
3965 | for (;;)
|
---|
3966 | {
|
---|
3967 | /* read a chunk. */
|
---|
3968 | long cbRead = read(fdSrc, pszBuf, 256*1024);
|
---|
3969 | if (cbRead < 0)
|
---|
3970 | {
|
---|
3971 | if (errno == EINTR)
|
---|
3972 | continue;
|
---|
3973 | FatalDie("read '%s' failed: %s\n", pszSrc, strerror(errno));
|
---|
3974 | }
|
---|
3975 | if (!cbRead)
|
---|
3976 | break; /* eof */
|
---|
3977 |
|
---|
3978 | /* write the chunk. */
|
---|
3979 | psz = pszBuf;
|
---|
3980 | do
|
---|
3981 | {
|
---|
3982 | long cbWritten = write(fdDst, psz, cbRead);
|
---|
3983 | if (cbWritten < 0)
|
---|
3984 | {
|
---|
3985 | if (errno == EINTR)
|
---|
3986 | continue;
|
---|
3987 | FatalDie("write '%s' failed: %s\n", pszSrc, strerror(errno));
|
---|
3988 | }
|
---|
3989 | psz += cbWritten;
|
---|
3990 | cbRead -= cbWritten;
|
---|
3991 | } while (cbRead > 0);
|
---|
3992 | }
|
---|
3993 |
|
---|
3994 | /* cleanup */
|
---|
3995 | if (close(fdDst) != 0)
|
---|
3996 | FatalDie("closing '%s' failed: %s\n", pszDst, strerror(errno));
|
---|
3997 | close(fdSrc);
|
---|
3998 | free(pszBuf);
|
---|
3999 | }
|
---|
4000 | free(pszDst);
|
---|
4001 | free(pszSrc);
|
---|
4002 | }
|
---|
4003 |
|
---|
4004 |
|
---|
4005 | /**
|
---|
4006 | * Copies the object (and whatever else) from one cache entry to another.
|
---|
4007 | *
|
---|
4008 | * This is called when a matching cache entry has been found and we don't
|
---|
4009 | * need to recompile anything.
|
---|
4010 | *
|
---|
4011 | * @param pEntry The entry to copy to.
|
---|
4012 | * @param pFrom The entry to copy from.
|
---|
4013 | */
|
---|
4014 | static void kOCEntryCopy(PKOCENTRY pEntry, PCKOCENTRY pFrom)
|
---|
4015 | {
|
---|
4016 | kOCEntryCopyFile(pEntry, pEntry->New.pszObjName,
|
---|
4017 | MakePathFromDirAndFile(pFrom->New.pszObjName
|
---|
4018 | ? pFrom->New.pszObjName : pFrom->Old.pszObjName,
|
---|
4019 | pFrom->pszDir));
|
---|
4020 | }
|
---|
4021 |
|
---|
4022 |
|
---|
4023 | /**
|
---|
4024 | * Gets the absolute path to the cache entry.
|
---|
4025 | *
|
---|
4026 | * @returns absolute path to the cache entry.
|
---|
4027 | * @param pEntry The cache entry in question.
|
---|
4028 | */
|
---|
4029 | static const char *kOCEntryAbsPath(PCKOCENTRY pEntry)
|
---|
4030 | {
|
---|
4031 | return pEntry->pszAbsPath;
|
---|
4032 | }
|
---|
4033 |
|
---|
4034 |
|
---|
4035 |
|
---|
4036 |
|
---|
4037 |
|
---|
4038 |
|
---|
4039 | /**
|
---|
4040 | * Digest of one cache entry.
|
---|
4041 | *
|
---|
4042 | * This contains all the information required to find a matching
|
---|
4043 | * cache entry without having to open each of the files.
|
---|
4044 | */
|
---|
4045 | typedef struct KOCDIGEST
|
---|
4046 | {
|
---|
4047 | /** The relative path to the entry. Optional if pszAbsPath is set. */
|
---|
4048 | char *pszRelPath;
|
---|
4049 | /** The absolute path to the entry. Optional if pszRelPath is set. */
|
---|
4050 | char *pszAbsPath;
|
---|
4051 | /** The target os/arch identifier. */
|
---|
4052 | char *pszTarget;
|
---|
4053 | /** A unique number assigned to the entry when it's (re)-inserted
|
---|
4054 | * into the cache. This is used for simple consitency checking. */
|
---|
4055 | uint32_t uKey;
|
---|
4056 | /** The checksum of the compile argument vector. */
|
---|
4057 | KOCSUM SumCompArgv;
|
---|
4058 | /** The list of preprocessor output checksums that's . */
|
---|
4059 | KOCSUM SumHead;
|
---|
4060 | } KOCDIGEST;
|
---|
4061 | /** Pointer to a file digest. */
|
---|
4062 | typedef KOCDIGEST *PKOCDIGEST;
|
---|
4063 | /** Pointer to a const file digest. */
|
---|
4064 | typedef KOCDIGEST *PCKOCDIGEST;
|
---|
4065 |
|
---|
4066 |
|
---|
4067 | /**
|
---|
4068 | * Initializes the specified digest.
|
---|
4069 | *
|
---|
4070 | * @param pDigest The digest.
|
---|
4071 | */
|
---|
4072 | static void kOCDigestInit(PKOCDIGEST pDigest)
|
---|
4073 | {
|
---|
4074 | memset(pDigest, 0, sizeof(*pDigest));
|
---|
4075 | kOCSumInit(&pDigest->SumHead);
|
---|
4076 | }
|
---|
4077 |
|
---|
4078 |
|
---|
4079 | /**
|
---|
4080 | * Initializes the digest for the specified entry.
|
---|
4081 | *
|
---|
4082 | * @param pDigest The (uninitialized) digest.
|
---|
4083 | * @param pEntry The entry.
|
---|
4084 | */
|
---|
4085 | static void kOCDigestInitFromEntry(PKOCDIGEST pDigest, PCKOCENTRY pEntry)
|
---|
4086 | {
|
---|
4087 | kOCDigestInit(pDigest);
|
---|
4088 |
|
---|
4089 | pDigest->uKey = pEntry->uKey;
|
---|
4090 | pDigest->pszTarget = xstrdup(pEntry->New.pszTarget ? pEntry->New.pszTarget : pEntry->Old.pszTarget);
|
---|
4091 |
|
---|
4092 | kOCSumInit(&pDigest->SumCompArgv);
|
---|
4093 | if (!kOCSumIsEmpty(&pEntry->New.SumCompArgv))
|
---|
4094 | kOCSumAdd(&pDigest->SumCompArgv, &pEntry->New.SumCompArgv);
|
---|
4095 | else
|
---|
4096 | kOCSumAdd(&pDigest->SumCompArgv, &pEntry->Old.SumCompArgv);
|
---|
4097 |
|
---|
4098 | kOCSumInit(&pDigest->SumHead);
|
---|
4099 | if (!kOCSumIsEmpty(&pEntry->New.SumHead))
|
---|
4100 | kOCSumAddChain(&pDigest->SumHead, &pEntry->New.SumHead);
|
---|
4101 | else
|
---|
4102 | kOCSumAddChain(&pDigest->SumHead, &pEntry->Old.SumHead);
|
---|
4103 |
|
---|
4104 | /** @todo implement selective relative path support. */
|
---|
4105 | pDigest->pszRelPath = NULL;
|
---|
4106 | pDigest->pszAbsPath = xstrdup(kOCEntryAbsPath(pEntry));
|
---|
4107 | }
|
---|
4108 |
|
---|
4109 |
|
---|
4110 | /**
|
---|
4111 | * Purges a digest, freeing all resources and returning
|
---|
4112 | * it to the initial state.
|
---|
4113 | *
|
---|
4114 | * @param pDigest The digest.
|
---|
4115 | */
|
---|
4116 | static void kOCDigestPurge(PKOCDIGEST pDigest)
|
---|
4117 | {
|
---|
4118 | free(pDigest->pszRelPath);
|
---|
4119 | free(pDigest->pszAbsPath);
|
---|
4120 | free(pDigest->pszTarget);
|
---|
4121 | pDigest->pszTarget = pDigest->pszAbsPath = pDigest->pszRelPath = NULL;
|
---|
4122 | pDigest->uKey = 0;
|
---|
4123 | kOCSumDeleteChain(&pDigest->SumCompArgv);
|
---|
4124 | kOCSumDeleteChain(&pDigest->SumHead);
|
---|
4125 | }
|
---|
4126 |
|
---|
4127 |
|
---|
4128 | /**
|
---|
4129 | * Returns the absolute path to the entry, calculating
|
---|
4130 | * the path if necessary.
|
---|
4131 | *
|
---|
4132 | * @returns absolute path.
|
---|
4133 | * @param pDigest The digest.
|
---|
4134 | * @param pszDir The cache directory that it might be relative to.
|
---|
4135 | */
|
---|
4136 | static const char *kOCDigestAbsPath(PCKOCDIGEST pDigest, const char *pszDir)
|
---|
4137 | {
|
---|
4138 | if (!pDigest->pszAbsPath)
|
---|
4139 | {
|
---|
4140 | char *pszPath = MakePathFromDirAndFile(pDigest->pszRelPath, pszDir);
|
---|
4141 | ((PKOCDIGEST)pDigest)->pszAbsPath = AbsPath(pszPath);
|
---|
4142 | free(pszPath);
|
---|
4143 | }
|
---|
4144 | return pDigest->pszAbsPath;
|
---|
4145 | }
|
---|
4146 |
|
---|
4147 |
|
---|
4148 | /**
|
---|
4149 | * Checks that the digest matches the
|
---|
4150 | *
|
---|
4151 | * @returns 1 if valid, 0 if invalid in some way.
|
---|
4152 | *
|
---|
4153 | * @param pDigest The digest to validate.
|
---|
4154 | * @param pEntry What to validate it against.
|
---|
4155 | */
|
---|
4156 | static int kOCDigestIsValid(PCKOCDIGEST pDigest, PCKOCENTRY pEntry)
|
---|
4157 | {
|
---|
4158 | PCKOCSUM pSum;
|
---|
4159 | PCKOCSUM pSumEntry;
|
---|
4160 |
|
---|
4161 | if (pDigest->uKey != pEntry->uKey)
|
---|
4162 | return 0;
|
---|
4163 |
|
---|
4164 | if (!kOCSumIsEqual(&pDigest->SumCompArgv,
|
---|
4165 | kOCSumIsEmpty(&pEntry->New.SumCompArgv)
|
---|
4166 | ? &pEntry->Old.SumCompArgv : &pEntry->New.SumCompArgv))
|
---|
4167 | return 0;
|
---|
4168 |
|
---|
4169 | if (strcmp(pDigest->pszTarget, pEntry->New.pszTarget ? pEntry->New.pszTarget : pEntry->Old.pszTarget))
|
---|
4170 | return 0;
|
---|
4171 |
|
---|
4172 | /* match the checksums */
|
---|
4173 | pSumEntry = kOCSumIsEmpty(&pEntry->New.SumHead)
|
---|
4174 | ? &pEntry->Old.SumHead : &pEntry->New.SumHead;
|
---|
4175 | for (pSum = &pDigest->SumHead; pSum; pSum = pSum->pNext)
|
---|
4176 | if (!kOCSumHasEqualInChain(pSumEntry, pSum))
|
---|
4177 | return 0;
|
---|
4178 |
|
---|
4179 | return 1;
|
---|
4180 | }
|
---|
4181 |
|
---|
4182 |
|
---|
4183 |
|
---|
4184 |
|
---|
4185 |
|
---|
4186 | /**
|
---|
4187 | * The structure for the central cache entry.
|
---|
4188 | */
|
---|
4189 | typedef struct KOBJCACHE
|
---|
4190 | {
|
---|
4191 | /** The entry name. */
|
---|
4192 | const char *pszName;
|
---|
4193 | /** The dir that relative names in the digest are relative to. */
|
---|
4194 | char *pszDir;
|
---|
4195 | /** The absolute path. */
|
---|
4196 | char *pszAbsPath;
|
---|
4197 |
|
---|
4198 | /** The cache file descriptor. */
|
---|
4199 | int fd;
|
---|
4200 | /** The stream associated with fd. */
|
---|
4201 | FILE *pFile;
|
---|
4202 | /** Whether it's currently locked or not. */
|
---|
4203 | unsigned fLocked;
|
---|
4204 | /** Whether the cache file is dirty and needs writing back. */
|
---|
4205 | unsigned fDirty;
|
---|
4206 | /** Whether this is a new cache or not. */
|
---|
4207 | unsigned fNewCache;
|
---|
4208 |
|
---|
4209 | /** The cache file generation. */
|
---|
4210 | uint32_t uGeneration;
|
---|
4211 | /** The next valid key. (Determin at load time.) */
|
---|
4212 | uint32_t uNextKey;
|
---|
4213 |
|
---|
4214 | /** Number of digests in paDigests. */
|
---|
4215 | unsigned cDigests;
|
---|
4216 | /** Array of digests for the KOCENTRY objects in the cache. */
|
---|
4217 | PKOCDIGEST paDigests;
|
---|
4218 |
|
---|
4219 | } KOBJCACHE;
|
---|
4220 | /** Pointer to a cache. */
|
---|
4221 | typedef KOBJCACHE *PKOBJCACHE;
|
---|
4222 | /** Pointer to a const cache. */
|
---|
4223 | typedef KOBJCACHE const *PCKOBJCACHE;
|
---|
4224 |
|
---|
4225 |
|
---|
4226 | /**
|
---|
4227 | * Creates an empty cache.
|
---|
4228 | *
|
---|
4229 | * This doesn't touch the file system, it just create the data structure.
|
---|
4230 | *
|
---|
4231 | * @returns Pointer to a cache.
|
---|
4232 | * @param pszCacheFile The cache file.
|
---|
4233 | */
|
---|
4234 | static PKOBJCACHE kObjCacheCreate(const char *pszCacheFile)
|
---|
4235 | {
|
---|
4236 | PKOBJCACHE pCache;
|
---|
4237 | size_t off;
|
---|
4238 |
|
---|
4239 | /*
|
---|
4240 | * Allocate an empty entry.
|
---|
4241 | */
|
---|
4242 | pCache = xmallocz(sizeof(*pCache));
|
---|
4243 | pCache->fd = -1;
|
---|
4244 |
|
---|
4245 | /*
|
---|
4246 | * Setup the directory and cache file name.
|
---|
4247 | */
|
---|
4248 | pCache->pszAbsPath = AbsPath(pszCacheFile);
|
---|
4249 | pCache->pszName = FindFilenameInPath(pCache->pszAbsPath);
|
---|
4250 | off = pCache->pszName - pCache->pszAbsPath;
|
---|
4251 | if (!off)
|
---|
4252 | FatalDie("Failed to find abs path for '%s'!\n", pszCacheFile);
|
---|
4253 | pCache->pszDir = xmalloc(off);
|
---|
4254 | memcpy(pCache->pszDir, pCache->pszAbsPath, off - 1);
|
---|
4255 | pCache->pszDir[off - 1] = '\0';
|
---|
4256 |
|
---|
4257 | return pCache;
|
---|
4258 | }
|
---|
4259 |
|
---|
4260 |
|
---|
4261 | /**
|
---|
4262 | * Destroys the cache - closing any open files, freeing up heap memory and such.
|
---|
4263 | *
|
---|
4264 | * @param pCache The cache.
|
---|
4265 | */
|
---|
4266 | static void kObjCacheDestroy(PKOBJCACHE pCache)
|
---|
4267 | {
|
---|
4268 | if (pCache->pFile)
|
---|
4269 | {
|
---|
4270 | errno = 0;
|
---|
4271 | if (fclose(pCache->pFile) != 0)
|
---|
4272 | FatalMsg("fclose failed: %s\n", strerror(errno));
|
---|
4273 | pCache->pFile = NULL;
|
---|
4274 | pCache->fd = -1;
|
---|
4275 | }
|
---|
4276 | free(pCache->paDigests);
|
---|
4277 | free(pCache->pszAbsPath);
|
---|
4278 | free(pCache->pszDir);
|
---|
4279 | free(pCache);
|
---|
4280 | }
|
---|
4281 |
|
---|
4282 |
|
---|
4283 | /**
|
---|
4284 | * Purges the data in the cache object.
|
---|
4285 | *
|
---|
4286 | * @param pCache The cache object.
|
---|
4287 | */
|
---|
4288 | static void kObjCachePurge(PKOBJCACHE pCache)
|
---|
4289 | {
|
---|
4290 | while (pCache->cDigests > 0)
|
---|
4291 | kOCDigestPurge(&pCache->paDigests[--pCache->cDigests]);
|
---|
4292 | free(pCache->paDigests);
|
---|
4293 | pCache->paDigests = NULL;
|
---|
4294 | pCache->uGeneration = 0;
|
---|
4295 | pCache->uNextKey = 0;
|
---|
4296 | }
|
---|
4297 |
|
---|
4298 |
|
---|
4299 | /**
|
---|
4300 | * (Re-)reads the file.
|
---|
4301 | *
|
---|
4302 | * @param pCache The cache to (re)-read.
|
---|
4303 | */
|
---|
4304 | static void kObjCacheRead(PKOBJCACHE pCache)
|
---|
4305 | {
|
---|
4306 | unsigned i;
|
---|
4307 | char szBuf[8192];
|
---|
4308 | int fBad = 0;
|
---|
4309 |
|
---|
4310 | InfoMsg(4, "reading cache file...\n");
|
---|
4311 |
|
---|
4312 | /*
|
---|
4313 | * Rewind the file & stream, and associate a temporary buffer
|
---|
4314 | * with the stream to speed up reading.
|
---|
4315 | */
|
---|
4316 | if (lseek(pCache->fd, 0, SEEK_SET) == -1)
|
---|
4317 | FatalDie("lseek(cache-fd) failed: %s\n", strerror(errno));
|
---|
4318 | rewind(pCache->pFile);
|
---|
4319 | if (setvbuf(pCache->pFile, szBuf, _IOFBF, sizeof(szBuf)) != 0)
|
---|
4320 | FatalDie("fdopen(cache-fd,rb) failed: %s\n", strerror(errno));
|
---|
4321 |
|
---|
4322 | /*
|
---|
4323 | * Read magic and generation.
|
---|
4324 | */
|
---|
4325 | if ( !fgets(g_szLine, sizeof(g_szLine), pCache->pFile)
|
---|
4326 | || strcmp(g_szLine, "magic=kObjCache-v0.1.0\n"))
|
---|
4327 | {
|
---|
4328 | InfoMsg(2, "bad cache file (magic)\n");
|
---|
4329 | fBad = 1;
|
---|
4330 | }
|
---|
4331 | else if ( !fgets(g_szLine, sizeof(g_szLine), pCache->pFile)
|
---|
4332 | || strncmp(g_szLine, "generation=", sizeof("generation=") - 1))
|
---|
4333 | {
|
---|
4334 | InfoMsg(2, "bad cache file (generation)\n");
|
---|
4335 | fBad = 1;
|
---|
4336 | }
|
---|
4337 | else if ( pCache->uGeneration
|
---|
4338 | && (long)pCache->uGeneration == atol(&g_szLine[sizeof("generation=") - 1]))
|
---|
4339 | {
|
---|
4340 | InfoMsg(3, "drop re-read unmodified cache file\n");
|
---|
4341 | fBad = 0;
|
---|
4342 | }
|
---|
4343 | else
|
---|
4344 | {
|
---|
4345 | int fBadBeforeMissing;
|
---|
4346 |
|
---|
4347 | /*
|
---|
4348 | * Read everything (anew).
|
---|
4349 | */
|
---|
4350 | kObjCachePurge(pCache);
|
---|
4351 | do
|
---|
4352 | {
|
---|
4353 | PKOCDIGEST pDigest;
|
---|
4354 | char *pszNl;
|
---|
4355 | char *pszVal;
|
---|
4356 | char *psz;
|
---|
4357 |
|
---|
4358 | /* Split the line and drop the trailing newline. */
|
---|
4359 | pszVal = strchr(g_szLine, '=');
|
---|
4360 | if ((fBad = pszVal == NULL))
|
---|
4361 | break;
|
---|
4362 | *pszVal++ = '\0';
|
---|
4363 |
|
---|
4364 | pszNl = strchr(pszVal, '\n');
|
---|
4365 | if (pszNl)
|
---|
4366 | *pszNl = '\0';
|
---|
4367 |
|
---|
4368 | /* digest '#'? */
|
---|
4369 | psz = strchr(g_szLine, '#');
|
---|
4370 | if (psz)
|
---|
4371 | {
|
---|
4372 | char *pszNext;
|
---|
4373 | i = strtoul(++psz, &pszNext, 0);
|
---|
4374 | if ((fBad = pszNext && *pszNext))
|
---|
4375 | break;
|
---|
4376 | if ((fBad = i >= pCache->cDigests))
|
---|
4377 | break;
|
---|
4378 | pDigest = &pCache->paDigests[i];
|
---|
4379 | *psz = '\0';
|
---|
4380 | }
|
---|
4381 | else
|
---|
4382 | pDigest = NULL;
|
---|
4383 |
|
---|
4384 |
|
---|
4385 | /* string case on value name. */
|
---|
4386 | if (!strcmp(g_szLine, "sum-#"))
|
---|
4387 | {
|
---|
4388 | KOCSUM Sum;
|
---|
4389 | if ((fBad = kOCSumInitFromString(&Sum, pszVal) != 0))
|
---|
4390 | break;
|
---|
4391 | kOCSumAdd(&pDigest->SumHead, &Sum);
|
---|
4392 | }
|
---|
4393 | else if (!strcmp(g_szLine, "digest-abs-#"))
|
---|
4394 | {
|
---|
4395 | if ((fBad = pDigest->pszAbsPath != NULL))
|
---|
4396 | break;
|
---|
4397 | pDigest->pszAbsPath = xstrdup(pszVal);
|
---|
4398 | }
|
---|
4399 | else if (!strcmp(g_szLine, "digest-rel-#"))
|
---|
4400 | {
|
---|
4401 | if ((fBad = pDigest->pszRelPath != NULL))
|
---|
4402 | break;
|
---|
4403 | pDigest->pszRelPath = xstrdup(pszVal);
|
---|
4404 | }
|
---|
4405 | else if (!strcmp(g_szLine, "key-#"))
|
---|
4406 | {
|
---|
4407 | if ((fBad = pDigest->uKey != 0))
|
---|
4408 | break;
|
---|
4409 | pDigest->uKey = strtoul(pszVal, &psz, 0);
|
---|
4410 | if ((fBad = psz && *psz))
|
---|
4411 | break;
|
---|
4412 | if (pDigest->uKey >= pCache->uNextKey)
|
---|
4413 | pCache->uNextKey = pDigest->uKey + 1;
|
---|
4414 | }
|
---|
4415 | else if (!strcmp(g_szLine, "comp-argv-sum-#"))
|
---|
4416 | {
|
---|
4417 | if ((fBad = !kOCSumIsEmpty(&pDigest->SumCompArgv)))
|
---|
4418 | break;
|
---|
4419 | if ((fBad = kOCSumInitFromString(&pDigest->SumCompArgv, pszVal) != 0))
|
---|
4420 | break;
|
---|
4421 | }
|
---|
4422 | else if (!strcmp(g_szLine, "target-#"))
|
---|
4423 | {
|
---|
4424 | if ((fBad = pDigest->pszTarget != NULL))
|
---|
4425 | break;
|
---|
4426 | pDigest->pszTarget = xstrdup(pszVal);
|
---|
4427 | }
|
---|
4428 | else if (!strcmp(g_szLine, "digests"))
|
---|
4429 | {
|
---|
4430 | if ((fBad = pCache->paDigests != NULL))
|
---|
4431 | break;
|
---|
4432 | pCache->cDigests = strtoul(pszVal, &psz, 0);
|
---|
4433 | if ((fBad = psz && *psz))
|
---|
4434 | break;
|
---|
4435 | i = (pCache->cDigests + 4) & ~3;
|
---|
4436 | pCache->paDigests = xmalloc(i * sizeof(pCache->paDigests[0]));
|
---|
4437 | for (i = 0; i < pCache->cDigests; i++)
|
---|
4438 | kOCDigestInit(&pCache->paDigests[i]);
|
---|
4439 | }
|
---|
4440 | else if (!strcmp(g_szLine, "generation"))
|
---|
4441 | {
|
---|
4442 | if ((fBad = pCache->uGeneration != 0))
|
---|
4443 | break;
|
---|
4444 | pCache->uGeneration = strtoul(pszVal, &psz, 0);
|
---|
4445 | if ((fBad = psz && *psz))
|
---|
4446 | break;
|
---|
4447 | }
|
---|
4448 | else if (!strcmp(g_szLine, "the-end"))
|
---|
4449 | {
|
---|
4450 | fBad = strcmp(pszVal, "fine");
|
---|
4451 | break;
|
---|
4452 | }
|
---|
4453 | else
|
---|
4454 | {
|
---|
4455 | fBad = 1;
|
---|
4456 | break;
|
---|
4457 | }
|
---|
4458 | } while (fgets(g_szLine, sizeof(g_szLine), pCache->pFile));
|
---|
4459 |
|
---|
4460 | /*
|
---|
4461 | * Did we find everything?
|
---|
4462 | */
|
---|
4463 | fBadBeforeMissing = fBad;
|
---|
4464 | if ( !fBad
|
---|
4465 | && !pCache->uGeneration)
|
---|
4466 | fBad = 1;
|
---|
4467 | if (!fBad)
|
---|
4468 | for (i = 0; i < pCache->cDigests; i++)
|
---|
4469 | {
|
---|
4470 | if ((fBad = kOCSumIsEmpty(&pCache->paDigests[i].SumCompArgv)))
|
---|
4471 | break;
|
---|
4472 | if ((fBad = kOCSumIsEmpty(&pCache->paDigests[i].SumHead)))
|
---|
4473 | break;
|
---|
4474 | if ((fBad = pCache->paDigests[i].uKey == 0))
|
---|
4475 | break;
|
---|
4476 | if ((fBad = pCache->paDigests[i].pszAbsPath == NULL
|
---|
4477 | && pCache->paDigests[i].pszRelPath == NULL))
|
---|
4478 | break;
|
---|
4479 | if ((fBad = pCache->paDigests[i].pszTarget == NULL))
|
---|
4480 | break;
|
---|
4481 | InfoMsg(4, "digest-%u: %s\n", i, pCache->paDigests[i].pszAbsPath
|
---|
4482 | ? pCache->paDigests[i].pszAbsPath : pCache->paDigests[i].pszRelPath);
|
---|
4483 | }
|
---|
4484 | if (fBad)
|
---|
4485 | InfoMsg(2, "bad cache file (%s)\n", fBadBeforeMissing ? g_szLine : "missing stuff");
|
---|
4486 | else if (ferror(pCache->pFile))
|
---|
4487 | {
|
---|
4488 | InfoMsg(2, "cache file read error\n");
|
---|
4489 | fBad = 1;
|
---|
4490 | }
|
---|
4491 | }
|
---|
4492 | if (fBad)
|
---|
4493 | {
|
---|
4494 | kObjCachePurge(pCache);
|
---|
4495 | pCache->fNewCache = 1;
|
---|
4496 | }
|
---|
4497 |
|
---|
4498 | /*
|
---|
4499 | * Disassociate the buffer from the stream changing
|
---|
4500 | * it to non-buffered mode.
|
---|
4501 | */
|
---|
4502 | if (setvbuf(pCache->pFile, NULL, _IONBF, 0) != 0)
|
---|
4503 | FatalDie("setvbuf(,0,,0) failed: %s\n", strerror(errno));
|
---|
4504 | }
|
---|
4505 |
|
---|
4506 |
|
---|
4507 | /**
|
---|
4508 | * Re-writes the cache file.
|
---|
4509 | *
|
---|
4510 | * @param pCache The cache to commit and unlock.
|
---|
4511 | */
|
---|
4512 | static void kObjCacheWrite(PKOBJCACHE pCache)
|
---|
4513 | {
|
---|
4514 | unsigned i;
|
---|
4515 | off_t cb;
|
---|
4516 | char szBuf[8192];
|
---|
4517 | assert(pCache->fLocked);
|
---|
4518 | assert(pCache->fDirty);
|
---|
4519 |
|
---|
4520 | /*
|
---|
4521 | * Rewind the file & stream, and associate a temporary buffer
|
---|
4522 | * with the stream to speed up the writing.
|
---|
4523 | */
|
---|
4524 | if (lseek(pCache->fd, 0, SEEK_SET) == -1)
|
---|
4525 | FatalDie("lseek(cache-fd) failed: %s\n", strerror(errno));
|
---|
4526 | rewind(pCache->pFile);
|
---|
4527 | if (setvbuf(pCache->pFile, szBuf, _IOFBF, sizeof(szBuf)) != 0)
|
---|
4528 | FatalDie("setvbuf failed: %s\n", strerror(errno));
|
---|
4529 |
|
---|
4530 | /*
|
---|
4531 | * Write the header.
|
---|
4532 | */
|
---|
4533 | pCache->uGeneration++;
|
---|
4534 | fprintf(pCache->pFile,
|
---|
4535 | "magic=kObjCache-v0.1.0\n"
|
---|
4536 | "generation=%d\n"
|
---|
4537 | "digests=%d\n",
|
---|
4538 | pCache->uGeneration,
|
---|
4539 | pCache->cDigests);
|
---|
4540 |
|
---|
4541 | /*
|
---|
4542 | * Write the digests.
|
---|
4543 | */
|
---|
4544 | for (i = 0; i < pCache->cDigests; i++)
|
---|
4545 | {
|
---|
4546 | PCKOCDIGEST pDigest = &pCache->paDigests[i];
|
---|
4547 | PKOCSUM pSum;
|
---|
4548 |
|
---|
4549 | if (pDigest->pszAbsPath)
|
---|
4550 | fprintf(pCache->pFile, "digest-abs-#%u=%s\n", i, pDigest->pszAbsPath);
|
---|
4551 | if (pDigest->pszRelPath)
|
---|
4552 | fprintf(pCache->pFile, "digest-rel-#%u=%s\n", i, pDigest->pszRelPath);
|
---|
4553 | fprintf(pCache->pFile, "key-#%u=%u\n", i, pDigest->uKey);
|
---|
4554 | fprintf(pCache->pFile, "target-#%u=%s\n", i, pDigest->pszTarget);
|
---|
4555 | fprintf(pCache->pFile, "comp-argv-sum-#%u=", i);
|
---|
4556 | kOCSumFPrintf(&pDigest->SumCompArgv, pCache->pFile);
|
---|
4557 | for (pSum = &pDigest->SumHead; pSum; pSum = pSum->pNext)
|
---|
4558 | {
|
---|
4559 | fprintf(pCache->pFile, "sum-#%u=", i);
|
---|
4560 | kOCSumFPrintf(pSum, pCache->pFile);
|
---|
4561 | }
|
---|
4562 | }
|
---|
4563 |
|
---|
4564 | /*
|
---|
4565 | * Close the stream and unlock fhe file.
|
---|
4566 | * (Closing the stream shouldn't close the file handle IIRC...)
|
---|
4567 | */
|
---|
4568 | fprintf(pCache->pFile, "the-end=fine\n");
|
---|
4569 | errno = 0;
|
---|
4570 | if ( fflush(pCache->pFile) < 0
|
---|
4571 | || ferror(pCache->pFile))
|
---|
4572 | {
|
---|
4573 | int iErr = errno;
|
---|
4574 | fclose(pCache->pFile);
|
---|
4575 | UnlinkFileInDir(pCache->pszName, pCache->pszDir);
|
---|
4576 | FatalDie("Stream error occured while writing '%s' in '%s': %s\n",
|
---|
4577 | pCache->pszName, pCache->pszDir, strerror(iErr));
|
---|
4578 | }
|
---|
4579 | if (setvbuf(pCache->pFile, NULL, _IONBF, 0) != 0)
|
---|
4580 | FatalDie("setvbuf(,0,,0) failed: %s\n", strerror(errno));
|
---|
4581 |
|
---|
4582 | cb = lseek(pCache->fd, 0, SEEK_CUR);
|
---|
4583 | if (cb == -1)
|
---|
4584 | FatalDie("lseek(cache-file,0,CUR) failed: %s\n", strerror(errno));
|
---|
4585 | #if defined(__WIN__)
|
---|
4586 | if (_chsize(pCache->fd, cb) == -1)
|
---|
4587 | #else
|
---|
4588 | if (ftruncate(pCache->fd, cb) == -1)
|
---|
4589 | #endif
|
---|
4590 | FatalDie("file truncation failed: %s\n", strerror(errno));
|
---|
4591 | InfoMsg(4, "wrote '%s' in '%s', %d bytes\n", pCache->pszName, pCache->pszDir, cb);
|
---|
4592 | }
|
---|
4593 |
|
---|
4594 |
|
---|
4595 | /**
|
---|
4596 | * Cleans out all invalid digests.s
|
---|
4597 | *
|
---|
4598 | * This is done periodically from the unlock routine to make
|
---|
4599 | * sure we don't accidentally accumulate stale digests.
|
---|
4600 | *
|
---|
4601 | * @param pCache The cache to chek.
|
---|
4602 | */
|
---|
4603 | static void kObjCacheClean(PKOBJCACHE pCache)
|
---|
4604 | {
|
---|
4605 | unsigned i = pCache->cDigests;
|
---|
4606 | while (i-- > 0)
|
---|
4607 | {
|
---|
4608 | /*
|
---|
4609 | * Try open it and purge it if it's bad.
|
---|
4610 | * (We don't kill the entry file because that's kmk clean's job.)
|
---|
4611 | */
|
---|
4612 | PCKOCDIGEST pDigest = &pCache->paDigests[i];
|
---|
4613 | PKOCENTRY pEntry = kOCEntryCreate(kOCDigestAbsPath(pDigest, pCache->pszDir));
|
---|
4614 | kOCEntryRead(pEntry);
|
---|
4615 | if ( !kOCEntryCheck(pEntry)
|
---|
4616 | || !kOCDigestIsValid(pDigest, pEntry))
|
---|
4617 | {
|
---|
4618 | unsigned cLeft;
|
---|
4619 | kOCDigestPurge(pDigest);
|
---|
4620 |
|
---|
4621 | pCache->cDigests--;
|
---|
4622 | cLeft = pCache->cDigests - i;
|
---|
4623 | if (cLeft)
|
---|
4624 | memmove(pDigest, pDigest + 1, cLeft * sizeof(*pDigest));
|
---|
4625 |
|
---|
4626 | pCache->fDirty = 1;
|
---|
4627 | }
|
---|
4628 | kOCEntryDestroy(pEntry);
|
---|
4629 | }
|
---|
4630 | }
|
---|
4631 |
|
---|
4632 |
|
---|
4633 | /**
|
---|
4634 | * Locks the cache for exclusive access.
|
---|
4635 | *
|
---|
4636 | * This will open the file if necessary and lock the entire file
|
---|
4637 | * using the best suitable platform API (tricky).
|
---|
4638 | *
|
---|
4639 | * @param pCache The cache to lock.
|
---|
4640 | */
|
---|
4641 | static void kObjCacheLock(PKOBJCACHE pCache)
|
---|
4642 | {
|
---|
4643 | struct stat st;
|
---|
4644 | #if defined(__WIN__)
|
---|
4645 | OVERLAPPED OverLapped;
|
---|
4646 | #endif
|
---|
4647 |
|
---|
4648 | assert(!pCache->fLocked);
|
---|
4649 |
|
---|
4650 | /*
|
---|
4651 | * Open it?
|
---|
4652 | */
|
---|
4653 | if (pCache->fd < 0)
|
---|
4654 | {
|
---|
4655 | pCache->fd = OpenFileInDir(pCache->pszName, pCache->pszDir, O_CREAT | O_RDWR | O_BINARY, 0666);
|
---|
4656 | if (pCache->fd == -1)
|
---|
4657 | {
|
---|
4658 | MakePath(pCache->pszDir);
|
---|
4659 | pCache->fd = OpenFileInDir(pCache->pszName, pCache->pszDir, O_CREAT | O_RDWR | O_BINARY, 0666);
|
---|
4660 | if (pCache->fd == -1)
|
---|
4661 | FatalDie("Failed to create '%s' in '%s': %s\n", pCache->pszName, pCache->pszDir, strerror(errno));
|
---|
4662 | }
|
---|
4663 |
|
---|
4664 | pCache->pFile = fdopen(pCache->fd, "r+b");
|
---|
4665 | if (!pCache->pFile)
|
---|
4666 | FatalDie("fdopen failed: %s\n", strerror(errno));
|
---|
4667 | if (setvbuf(pCache->pFile, NULL, _IONBF, 0) != 0)
|
---|
4668 | FatalDie("setvbuf(,0,,0) failed: %s\n", strerror(errno));
|
---|
4669 | }
|
---|
4670 |
|
---|
4671 | /*
|
---|
4672 | * Lock it.
|
---|
4673 | */
|
---|
4674 | #if defined(__WIN__)
|
---|
4675 | memset(&OverLapped, 0, sizeof(OverLapped));
|
---|
4676 | if (!LockFileEx((HANDLE)_get_osfhandle(pCache->fd), LOCKFILE_EXCLUSIVE_LOCK, 0, ~0, 0, &OverLapped))
|
---|
4677 | FatalDie("Failed to lock the cache file: Windows Error %d\n", GetLastError());
|
---|
4678 | #elif defined(__sun__)
|
---|
4679 | {
|
---|
4680 | struct flock fl;
|
---|
4681 | fl.l_whence = 0;
|
---|
4682 | fl.l_start = 0;
|
---|
4683 | fl.l_len = 0;
|
---|
4684 | fl.l_type = F_WRLCK;
|
---|
4685 | if (fcntl(pCache->fd, F_SETLKW, &fl) != 0)
|
---|
4686 | FatalDie("Failed to lock the cache file: %s\n", strerror(errno));
|
---|
4687 | }
|
---|
4688 | #else
|
---|
4689 | if (flock(pCache->fd, LOCK_EX) != 0)
|
---|
4690 | FatalDie("Failed to lock the cache file: %s\n", strerror(errno));
|
---|
4691 | #endif
|
---|
4692 | pCache->fLocked = 1;
|
---|
4693 |
|
---|
4694 | /*
|
---|
4695 | * Check for new cache and read it it's an existing cache.
|
---|
4696 | *
|
---|
4697 | * There is no point in initializing a new cache until we've finished
|
---|
4698 | * compiling and has something to put into it, so we'll leave it as a
|
---|
4699 | * 0 byte file.
|
---|
4700 | */
|
---|
4701 | if (fstat(pCache->fd, &st) == -1)
|
---|
4702 | FatalDie("fstat(cache-fd) failed: %s\n", strerror(errno));
|
---|
4703 | if (st.st_size)
|
---|
4704 | kObjCacheRead(pCache);
|
---|
4705 | else
|
---|
4706 | {
|
---|
4707 | pCache->fNewCache = 1;
|
---|
4708 | InfoMsg(2, "the cache file is empty\n");
|
---|
4709 | }
|
---|
4710 | }
|
---|
4711 |
|
---|
4712 |
|
---|
4713 | /**
|
---|
4714 | * Unlocks the cache (without writing anything back).
|
---|
4715 | *
|
---|
4716 | * @param pCache The cache to unlock.
|
---|
4717 | */
|
---|
4718 | static void kObjCacheUnlock(PKOBJCACHE pCache)
|
---|
4719 | {
|
---|
4720 | #if defined(__WIN__)
|
---|
4721 | OVERLAPPED OverLapped;
|
---|
4722 | #endif
|
---|
4723 | assert(pCache->fLocked);
|
---|
4724 |
|
---|
4725 | /*
|
---|
4726 | * Write it back if it's dirty.
|
---|
4727 | */
|
---|
4728 | if (pCache->fDirty)
|
---|
4729 | {
|
---|
4730 | if ( pCache->cDigests >= 16
|
---|
4731 | && (pCache->uGeneration % 19) == 19)
|
---|
4732 | kObjCacheClean(pCache);
|
---|
4733 | kObjCacheWrite(pCache);
|
---|
4734 | pCache->fDirty = 0;
|
---|
4735 | }
|
---|
4736 |
|
---|
4737 | /*
|
---|
4738 | * Lock it.
|
---|
4739 | */
|
---|
4740 | #if defined(__WIN__)
|
---|
4741 | memset(&OverLapped, 0, sizeof(OverLapped));
|
---|
4742 | if (!UnlockFileEx((HANDLE)_get_osfhandle(pCache->fd), 0, ~0U, 0, &OverLapped))
|
---|
4743 | FatalDie("Failed to unlock the cache file: Windows Error %d\n", GetLastError());
|
---|
4744 | #elif defined(__sun__)
|
---|
4745 | {
|
---|
4746 | struct flock fl;
|
---|
4747 | fl.l_whence = 0;
|
---|
4748 | fl.l_start = 0;
|
---|
4749 | fl.l_len = 0;
|
---|
4750 | fl.l_type = F_UNLCK;
|
---|
4751 | if (fcntl(pCache->fd, F_SETLKW, &fl) != 0)
|
---|
4752 | FatalDie("Failed to lock the cache file: %s\n", strerror(errno));
|
---|
4753 | }
|
---|
4754 | #else
|
---|
4755 | if (flock(pCache->fd, LOCK_UN) != 0)
|
---|
4756 | FatalDie("Failed to unlock the cache file: %s\n", strerror(errno));
|
---|
4757 | #endif
|
---|
4758 | pCache->fLocked = 0;
|
---|
4759 | }
|
---|
4760 |
|
---|
4761 |
|
---|
4762 | /**
|
---|
4763 | * Removes the entry from the cache.
|
---|
4764 | *
|
---|
4765 | * The entry doesn't need to be in the cache.
|
---|
4766 | * The cache entry (file) itself is not touched.
|
---|
4767 | *
|
---|
4768 | * @param pCache The cache.
|
---|
4769 | * @param pEntry The entry.
|
---|
4770 | */
|
---|
4771 | static void kObjCacheRemoveEntry(PKOBJCACHE pCache, PCKOCENTRY pEntry)
|
---|
4772 | {
|
---|
4773 | unsigned i = pCache->cDigests;
|
---|
4774 | while (i-- > 0)
|
---|
4775 | {
|
---|
4776 | PKOCDIGEST pDigest = &pCache->paDigests[i];
|
---|
4777 | if (ArePathsIdentical(kOCDigestAbsPath(pDigest, pCache->pszDir),
|
---|
4778 | kOCEntryAbsPath(pEntry)))
|
---|
4779 | {
|
---|
4780 | unsigned cLeft;
|
---|
4781 | kOCDigestPurge(pDigest);
|
---|
4782 |
|
---|
4783 | pCache->cDigests--;
|
---|
4784 | cLeft = pCache->cDigests - i;
|
---|
4785 | if (cLeft)
|
---|
4786 | memmove(pDigest, pDigest + 1, cLeft * sizeof(*pDigest));
|
---|
4787 |
|
---|
4788 | pCache->fDirty = 1;
|
---|
4789 | InfoMsg(3, "removing entry '%s'; %d left.\n", kOCEntryAbsPath(pEntry), pCache->cDigests);
|
---|
4790 | }
|
---|
4791 | }
|
---|
4792 | }
|
---|
4793 |
|
---|
4794 |
|
---|
4795 | /**
|
---|
4796 | * Inserts the entry into the cache.
|
---|
4797 | *
|
---|
4798 | * The cache entry (file) itself is not touched by this operation,
|
---|
4799 | * the pEntry object otoh is.
|
---|
4800 | *
|
---|
4801 | * @param pCache The cache.
|
---|
4802 | * @param pEntry The entry.
|
---|
4803 | */
|
---|
4804 | static void kObjCacheInsertEntry(PKOBJCACHE pCache, PKOCENTRY pEntry)
|
---|
4805 | {
|
---|
4806 | unsigned i;
|
---|
4807 |
|
---|
4808 | /*
|
---|
4809 | * Find a new key.
|
---|
4810 | */
|
---|
4811 | pEntry->uKey = pCache->uNextKey++;
|
---|
4812 | if (!pEntry->uKey)
|
---|
4813 | pEntry->uKey = pCache->uNextKey++;
|
---|
4814 | i = pCache->cDigests;
|
---|
4815 | while (i-- > 0)
|
---|
4816 | if (pCache->paDigests[i].uKey == pEntry->uKey)
|
---|
4817 | {
|
---|
4818 | pEntry->uKey = pCache->uNextKey++;
|
---|
4819 | if (!pEntry->uKey)
|
---|
4820 | pEntry->uKey = pCache->uNextKey++;
|
---|
4821 | i = pCache->cDigests;
|
---|
4822 | }
|
---|
4823 |
|
---|
4824 | /*
|
---|
4825 | * Reallocate the digest array?
|
---|
4826 | */
|
---|
4827 | if ( !(pCache->cDigests & 3)
|
---|
4828 | && (pCache->cDigests || !pCache->paDigests))
|
---|
4829 | pCache->paDigests = xrealloc(pCache->paDigests, sizeof(pCache->paDigests[0]) * (pCache->cDigests + 4));
|
---|
4830 |
|
---|
4831 | /*
|
---|
4832 | * Create a new digest.
|
---|
4833 | */
|
---|
4834 | kOCDigestInitFromEntry(&pCache->paDigests[pCache->cDigests], pEntry);
|
---|
4835 | pCache->cDigests++;
|
---|
4836 | InfoMsg(4, "Inserted digest #%u: %s\n", pCache->cDigests - 1, kOCEntryAbsPath(pEntry));
|
---|
4837 |
|
---|
4838 | pCache->fDirty = 1;
|
---|
4839 | }
|
---|
4840 |
|
---|
4841 |
|
---|
4842 | /**
|
---|
4843 | * Find a matching cache entry.
|
---|
4844 | */
|
---|
4845 | static PKOCENTRY kObjCacheFindMatchingEntry(PKOBJCACHE pCache, PCKOCENTRY pEntry)
|
---|
4846 | {
|
---|
4847 | unsigned i = pCache->cDigests;
|
---|
4848 |
|
---|
4849 | assert(pEntry->fNeedCompiling);
|
---|
4850 | assert(!kOCSumIsEmpty(&pEntry->New.SumCompArgv));
|
---|
4851 | assert(!kOCSumIsEmpty(&pEntry->New.SumHead));
|
---|
4852 |
|
---|
4853 | while (i-- > 0)
|
---|
4854 | {
|
---|
4855 | /*
|
---|
4856 | * Matching?
|
---|
4857 | */
|
---|
4858 | PCKOCDIGEST pDigest = &pCache->paDigests[i];
|
---|
4859 | if ( kOCSumIsEqual(&pDigest->SumCompArgv, &pEntry->New.SumCompArgv)
|
---|
4860 | && kOCSumHasEqualInChain(&pDigest->SumHead, &pEntry->New.SumHead))
|
---|
4861 | {
|
---|
4862 | /*
|
---|
4863 | * Try open it.
|
---|
4864 | */
|
---|
4865 | unsigned cLeft;
|
---|
4866 | PKOCENTRY pRetEntry = kOCEntryCreate(kOCDigestAbsPath(pDigest, pCache->pszDir));
|
---|
4867 | kOCEntryRead(pRetEntry);
|
---|
4868 | if ( kOCEntryCheck(pRetEntry)
|
---|
4869 | && kOCDigestIsValid(pDigest, pRetEntry))
|
---|
4870 | return pRetEntry;
|
---|
4871 | kOCEntryDestroy(pRetEntry);
|
---|
4872 |
|
---|
4873 | /* bad entry, purge it. */
|
---|
4874 | InfoMsg(3, "removing bad digest '%s'\n", kOCDigestAbsPath(pDigest, pCache->pszDir));
|
---|
4875 | kOCDigestPurge(pDigest);
|
---|
4876 |
|
---|
4877 | pCache->cDigests--;
|
---|
4878 | cLeft = pCache->cDigests - i;
|
---|
4879 | if (cLeft)
|
---|
4880 | memmove(pDigest, pDigest + 1, cLeft * sizeof(*pDigest));
|
---|
4881 |
|
---|
4882 | pCache->fDirty = 1;
|
---|
4883 | }
|
---|
4884 | }
|
---|
4885 |
|
---|
4886 | return NULL;
|
---|
4887 | }
|
---|
4888 |
|
---|
4889 |
|
---|
4890 | /**
|
---|
4891 | * Is this a new cache?
|
---|
4892 | *
|
---|
4893 | * @returns 1 if new, 0 if not new.
|
---|
4894 | * @param pEntry The entry.
|
---|
4895 | */
|
---|
4896 | static int kObjCacheIsNew(PKOBJCACHE pCache)
|
---|
4897 | {
|
---|
4898 | return pCache->fNewCache;
|
---|
4899 | }
|
---|
4900 |
|
---|
4901 |
|
---|
4902 | /**
|
---|
4903 | * Prints a syntax error and returns the appropriate exit code
|
---|
4904 | *
|
---|
4905 | * @returns approriate exit code.
|
---|
4906 | * @param pszFormat The syntax error message.
|
---|
4907 | * @param ... Message args.
|
---|
4908 | */
|
---|
4909 | static int SyntaxError(const char *pszFormat, ...)
|
---|
4910 | {
|
---|
4911 | va_list va;
|
---|
4912 | fprintf(stderr, "kObjCache: syntax error: ");
|
---|
4913 | va_start(va, pszFormat);
|
---|
4914 | vfprintf(stderr, pszFormat, va);
|
---|
4915 | va_end(va);
|
---|
4916 | return 1;
|
---|
4917 | }
|
---|
4918 |
|
---|
4919 |
|
---|
4920 | /**
|
---|
4921 | * Prints the usage.
|
---|
4922 | * @returns 0.
|
---|
4923 | */
|
---|
4924 | static int usage(FILE *pOut)
|
---|
4925 | {
|
---|
4926 | fprintf(pOut,
|
---|
4927 | "syntax: kObjCache [--kObjCache-options] [-v|--verbose]\n"
|
---|
4928 | " < [-c|--cache-file <cache-file>]\n"
|
---|
4929 | " | [-n|--name <name-in-cache>] [[-d|--cache-dir <cache-dir>]] >\n"
|
---|
4930 | " <-f|--file <local-cache-file>>\n"
|
---|
4931 | " <-t|--target <target-name>>\n"
|
---|
4932 | " [-r|--redir-stdout] [-p|--passthru] [--named-pipe-compile <pipename>]\n"
|
---|
4933 | " --kObjCache-cpp <filename> <preprocessor + args>\n"
|
---|
4934 | " --kObjCache-cc <object> <compiler + args>\n"
|
---|
4935 | " [--kObjCache-both [args]]\n"
|
---|
4936 | );
|
---|
4937 | fprintf(pOut,
|
---|
4938 | " [--kObjCache-cpp|--kObjCache-cc [more args]]\n"
|
---|
4939 | " kObjCache <-V|--version>\n"
|
---|
4940 | " kObjCache [-?|/?|-h|/h|--help|/help]\n"
|
---|
4941 | "\n"
|
---|
4942 | "The env.var. KOBJCACHE_DIR sets the default cache diretory (-d).\n"
|
---|
4943 | "The env.var. KOBJCACHE_OPTS allow you to specifie additional options\n"
|
---|
4944 | "without having to mess with the makefiles. These are appended with "
|
---|
4945 | "a --kObjCache-options between them and the command args.\n"
|
---|
4946 | "\n");
|
---|
4947 | return 0;
|
---|
4948 | }
|
---|
4949 |
|
---|
4950 |
|
---|
4951 | int main(int argc, char **argv)
|
---|
4952 | {
|
---|
4953 | PKOBJCACHE pCache;
|
---|
4954 | PKOCENTRY pEntry;
|
---|
4955 |
|
---|
4956 | const char *pszCacheDir = getenv("KOBJCACHE_DIR");
|
---|
4957 | const char *pszCacheName = NULL;
|
---|
4958 | const char *pszCacheFile = NULL;
|
---|
4959 | const char *pszEntryFile = NULL;
|
---|
4960 |
|
---|
4961 | const char **papszArgvPreComp = NULL;
|
---|
4962 | unsigned cArgvPreComp = 0;
|
---|
4963 | const char *pszPreCompName = NULL;
|
---|
4964 | int fRedirPreCompStdOut = 0;
|
---|
4965 |
|
---|
4966 | const char **papszArgvCompile = NULL;
|
---|
4967 | unsigned cArgvCompile = 0;
|
---|
4968 | const char *pszObjName = NULL;
|
---|
4969 | int fRedirCompileStdIn = 0;
|
---|
4970 | const char *pszNmPipeCompile = NULL;
|
---|
4971 |
|
---|
4972 | const char *pszMakeDepFilename = NULL;
|
---|
4973 | int fMakeDepFixCase = 0;
|
---|
4974 | int fMakeDepGenStubs = 0;
|
---|
4975 | int fMakeDepQuiet = 0;
|
---|
4976 | int fOptimizePreprocessorOutput = 0;
|
---|
4977 |
|
---|
4978 | const char *pszTarget = NULL;
|
---|
4979 |
|
---|
4980 | enum { kOC_Options, kOC_CppArgv, kOC_CcArgv, kOC_BothArgv } enmMode = kOC_Options;
|
---|
4981 |
|
---|
4982 | size_t cch;
|
---|
4983 | char *psz;
|
---|
4984 | int i;
|
---|
4985 |
|
---|
4986 | SetErrorPrefix("kObjCache");
|
---|
4987 |
|
---|
4988 | /*
|
---|
4989 | * Arguments passed in the environmnet?
|
---|
4990 | */
|
---|
4991 | psz = getenv("KOBJCACHE_OPTS");
|
---|
4992 | if (psz)
|
---|
4993 | AppendArgs(&argc, &argv, psz, "--kObjCache-options");
|
---|
4994 |
|
---|
4995 | /*
|
---|
4996 | * Parse the arguments.
|
---|
4997 | */
|
---|
4998 | if (argc <= 1)
|
---|
4999 | return usage(stderr);
|
---|
5000 | for (i = 1; i < argc; i++)
|
---|
5001 | {
|
---|
5002 | if (!strcmp(argv[i], "--kObjCache-cpp"))
|
---|
5003 | {
|
---|
5004 | enmMode = kOC_CppArgv;
|
---|
5005 | if (!pszPreCompName)
|
---|
5006 | {
|
---|
5007 | if (++i >= argc)
|
---|
5008 | return SyntaxError("--kObjCache-cpp requires an object filename!\n");
|
---|
5009 | pszPreCompName = argv[i];
|
---|
5010 | }
|
---|
5011 | }
|
---|
5012 | else if (!strcmp(argv[i], "--kObjCache-cc"))
|
---|
5013 | {
|
---|
5014 | enmMode = kOC_CcArgv;
|
---|
5015 | if (!pszObjName)
|
---|
5016 | {
|
---|
5017 | if (++i >= argc)
|
---|
5018 | return SyntaxError("--kObjCache-cc requires an preprocessor output filename!\n");
|
---|
5019 | pszObjName = argv[i];
|
---|
5020 | }
|
---|
5021 | }
|
---|
5022 | else if (!strcmp(argv[i], "--kObjCache-both"))
|
---|
5023 | enmMode = kOC_BothArgv;
|
---|
5024 | else if (!strcmp(argv[i], "--kObjCache-options"))
|
---|
5025 | enmMode = kOC_Options;
|
---|
5026 | else if (!strcmp(argv[i], "--help"))
|
---|
5027 | return usage(stderr);
|
---|
5028 | else if (enmMode != kOC_Options)
|
---|
5029 | {
|
---|
5030 | if (enmMode == kOC_CppArgv || enmMode == kOC_BothArgv)
|
---|
5031 | {
|
---|
5032 | if (!(cArgvPreComp % 16))
|
---|
5033 | papszArgvPreComp = xrealloc((void *)papszArgvPreComp, (cArgvPreComp + 17) * sizeof(papszArgvPreComp[0]));
|
---|
5034 | papszArgvPreComp[cArgvPreComp++] = argv[i];
|
---|
5035 | papszArgvPreComp[cArgvPreComp] = NULL;
|
---|
5036 | }
|
---|
5037 | if (enmMode == kOC_CcArgv || enmMode == kOC_BothArgv)
|
---|
5038 | {
|
---|
5039 | if (!(cArgvCompile % 16))
|
---|
5040 | papszArgvCompile = xrealloc((void *)papszArgvCompile, (cArgvCompile + 17) * sizeof(papszArgvCompile[0]));
|
---|
5041 | papszArgvCompile[cArgvCompile++] = argv[i];
|
---|
5042 | papszArgvCompile[cArgvCompile] = NULL;
|
---|
5043 | }
|
---|
5044 | }
|
---|
5045 | else if (!strcmp(argv[i], "-f") || !strcmp(argv[i], "--entry-file"))
|
---|
5046 | {
|
---|
5047 | if (i + 1 >= argc)
|
---|
5048 | return SyntaxError("%s requires a cache entry filename!\n", argv[i]);
|
---|
5049 | pszEntryFile = argv[++i];
|
---|
5050 | }
|
---|
5051 | else if (!strcmp(argv[i], "-c") || !strcmp(argv[i], "--cache-file"))
|
---|
5052 | {
|
---|
5053 | if (i + 1 >= argc)
|
---|
5054 | return SyntaxError("%s requires a cache filename!\n", argv[i]);
|
---|
5055 | pszCacheFile = argv[++i];
|
---|
5056 | }
|
---|
5057 | else if (!strcmp(argv[i], "-n") || !strcmp(argv[i], "--name"))
|
---|
5058 | {
|
---|
5059 | if (i + 1 >= argc)
|
---|
5060 | return SyntaxError("%s requires a cache name!\n", argv[i]);
|
---|
5061 | pszCacheName = argv[++i];
|
---|
5062 | }
|
---|
5063 | else if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--cache-dir"))
|
---|
5064 | {
|
---|
5065 | if (i + 1 >= argc)
|
---|
5066 | return SyntaxError("%s requires a cache directory!\n", argv[i]);
|
---|
5067 | pszCacheDir = argv[++i];
|
---|
5068 | }
|
---|
5069 | else if (!strcmp(argv[i], "-t") || !strcmp(argv[i], "--target"))
|
---|
5070 | {
|
---|
5071 | if (i + 1 >= argc)
|
---|
5072 | return SyntaxError("%s requires a target platform/arch name!\n", argv[i]);
|
---|
5073 | pszTarget = argv[++i];
|
---|
5074 | }
|
---|
5075 | else if (!strcmp(argv[i], "--named-pipe-compile"))
|
---|
5076 | {
|
---|
5077 | if (i + 1 >= argc)
|
---|
5078 | return SyntaxError("%s requires a pipe name!\n", argv[i]);
|
---|
5079 | pszNmPipeCompile = argv[++i];
|
---|
5080 | fRedirCompileStdIn = 0;
|
---|
5081 | }
|
---|
5082 | else if (!strcmp(argv[i], "-m") || !strcmp(argv[i], "--make-dep-file"))
|
---|
5083 | {
|
---|
5084 | if (i + 1 >= argc)
|
---|
5085 | return SyntaxError("%s requires a filename!\n", argv[i]);
|
---|
5086 | pszMakeDepFilename = argv[++i];
|
---|
5087 | }
|
---|
5088 | else if (!strcmp(argv[i], "--make-dep-fix-case"))
|
---|
5089 | fMakeDepFixCase = 1;
|
---|
5090 | else if (!strcmp(argv[i], "--make-dep-gen-stubs"))
|
---|
5091 | fMakeDepGenStubs = 1;
|
---|
5092 | else if (!strcmp(argv[i], "--make-dep-quiet"))
|
---|
5093 | fMakeDepQuiet = 1;
|
---|
5094 | else if (!strcmp(argv[i], "-O1") || !strcmp(argv[i], "--optimize-1"))
|
---|
5095 | fOptimizePreprocessorOutput = 1;
|
---|
5096 | else if (!strcmp(argv[i], "-O2") || !strcmp(argv[i], "--optimize-2"))
|
---|
5097 | fOptimizePreprocessorOutput = 1 | 2;
|
---|
5098 | else if (!strcmp(argv[i], "-p") || !strcmp(argv[i], "--passthru"))
|
---|
5099 | fRedirPreCompStdOut = fRedirCompileStdIn = 1;
|
---|
5100 | else if (!strcmp(argv[i], "-r") || !strcmp(argv[i], "--redir-stdout"))
|
---|
5101 | fRedirPreCompStdOut = 1;
|
---|
5102 | else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose"))
|
---|
5103 | g_cVerbosityLevel++;
|
---|
5104 | else if (!strcmp(argv[i], "-q") || !strcmp(argv[i], "--quiet"))
|
---|
5105 | g_cVerbosityLevel = 0;
|
---|
5106 | else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "-?")
|
---|
5107 | || !strcmp(argv[i], "/h") || !strcmp(argv[i], "/?") || !strcmp(argv[i], "/help"))
|
---|
5108 | {
|
---|
5109 | usage(stdout);
|
---|
5110 | return 0;
|
---|
5111 | }
|
---|
5112 | else if (!strcmp(argv[i], "-V") || !strcmp(argv[i], "--version"))
|
---|
5113 | {
|
---|
5114 | printf("kObjCache - kBuild version %d.%d.%d ($Revision: 3315 $)\n"
|
---|
5115 | "Copyright (c) 2007-2012 knut st. osmundsen\n",
|
---|
5116 | KBUILD_VERSION_MAJOR, KBUILD_VERSION_MINOR, KBUILD_VERSION_PATCH);
|
---|
5117 | return 0;
|
---|
5118 | }
|
---|
5119 | else
|
---|
5120 | return SyntaxError("Doesn't grok '%s'!\n", argv[i]);
|
---|
5121 | }
|
---|
5122 | if (!pszEntryFile)
|
---|
5123 | return SyntaxError("No cache entry filename (-f)!\n");
|
---|
5124 | if (!pszTarget)
|
---|
5125 | return SyntaxError("No target name (-t)!\n");
|
---|
5126 | if (!cArgvCompile)
|
---|
5127 | return SyntaxError("No compiler arguments (--kObjCache-cc)!\n");
|
---|
5128 | if (!cArgvPreComp)
|
---|
5129 | return SyntaxError("No preprocessor arguments (--kObjCache-cc)!\n");
|
---|
5130 |
|
---|
5131 | /*
|
---|
5132 | * Calc the cache file name.
|
---|
5133 | * It's a bit messy since the extension has to be replaced.
|
---|
5134 | */
|
---|
5135 | if (!pszCacheFile)
|
---|
5136 | {
|
---|
5137 | if (!pszCacheDir)
|
---|
5138 | return SyntaxError("No cache dir (-d / KOBJCACHE_DIR) and no cache filename!\n");
|
---|
5139 | if (!pszCacheName)
|
---|
5140 | {
|
---|
5141 | psz = (char *)FindFilenameInPath(pszEntryFile);
|
---|
5142 | if (!*psz)
|
---|
5143 | return SyntaxError("The cache file (-f) specifies a directory / nothing!\n");
|
---|
5144 | cch = psz - pszEntryFile;
|
---|
5145 | pszCacheName = memcpy(xmalloc(cch + 5), psz, cch + 1);
|
---|
5146 | psz = strrchr(pszCacheName, '.');
|
---|
5147 | if (!psz || psz <= pszCacheName)
|
---|
5148 | psz = (char *)pszCacheName + cch;
|
---|
5149 | memcpy(psz, ".koc", sizeof(".koc"));
|
---|
5150 | }
|
---|
5151 | pszCacheFile = MakePathFromDirAndFile(pszCacheName, pszCacheDir);
|
---|
5152 | }
|
---|
5153 |
|
---|
5154 | /*
|
---|
5155 | * Create and initialize the two objects we'll be working on.
|
---|
5156 | *
|
---|
5157 | * We're supposed to be the only ones actually writing to the local file,
|
---|
5158 | * so it's perfectly fine to read it here before we lock it. This simplifies
|
---|
5159 | * the detection of object name and compiler argument changes.
|
---|
5160 | */
|
---|
5161 | SetErrorPrefix("kObjCache - %s", FindFilenameInPath(pszCacheFile));
|
---|
5162 | pCache = kObjCacheCreate(pszCacheFile);
|
---|
5163 |
|
---|
5164 | pEntry = kOCEntryCreate(pszEntryFile);
|
---|
5165 | kOCEntryRead(pEntry);
|
---|
5166 | kOCEntrySetCppName(pEntry, pszPreCompName);
|
---|
5167 | kOCEntrySetCompileObjName(pEntry, pszObjName);
|
---|
5168 | kOCEntrySetCompileArgv(pEntry, papszArgvCompile, cArgvCompile);
|
---|
5169 | kOCEntrySetTarget(pEntry, pszTarget);
|
---|
5170 | kOCEntrySetPipedMode(pEntry, fRedirPreCompStdOut, fRedirCompileStdIn, pszNmPipeCompile);
|
---|
5171 | kOCEntrySetDepFilename(pEntry, pszMakeDepFilename, fMakeDepFixCase, fMakeDepQuiet, fMakeDepGenStubs);
|
---|
5172 | kOCEntrySetOptimizations(pEntry, fOptimizePreprocessorOutput);
|
---|
5173 |
|
---|
5174 | /*
|
---|
5175 | * Open (& lock) the two files and do validity checks and such.
|
---|
5176 | */
|
---|
5177 | kObjCacheLock(pCache);
|
---|
5178 | if ( kObjCacheIsNew(pCache)
|
---|
5179 | && kOCEntryNeedsCompiling(pEntry))
|
---|
5180 | {
|
---|
5181 | /*
|
---|
5182 | * Both files are missing/invalid.
|
---|
5183 | * Optimize this path as it is frequently used when making a clean build.
|
---|
5184 | */
|
---|
5185 | kObjCacheUnlock(pCache);
|
---|
5186 | InfoMsg(1, "doing full compile\n");
|
---|
5187 | kOCEntryPreProcessAndCompile(pEntry, papszArgvPreComp, cArgvPreComp);
|
---|
5188 | kObjCacheLock(pCache);
|
---|
5189 | }
|
---|
5190 | else
|
---|
5191 | {
|
---|
5192 | /*
|
---|
5193 | * Do the preprocess (don't need to lock the cache file for this).
|
---|
5194 | */
|
---|
5195 | kObjCacheUnlock(pCache);
|
---|
5196 | kOCEntryPreProcess(pEntry, papszArgvPreComp, cArgvPreComp);
|
---|
5197 |
|
---|
5198 | /*
|
---|
5199 | * Check if we need to recompile. If we do, try see if the is a cache entry first.
|
---|
5200 | */
|
---|
5201 | kOCEntryCalcRecompile(pEntry);
|
---|
5202 | if (kOCEntryNeedsCompiling(pEntry))
|
---|
5203 | {
|
---|
5204 | PKOCENTRY pUseEntry;
|
---|
5205 | kObjCacheLock(pCache);
|
---|
5206 | kObjCacheRemoveEntry(pCache, pEntry);
|
---|
5207 | pUseEntry = kObjCacheFindMatchingEntry(pCache, pEntry);
|
---|
5208 | if (pUseEntry)
|
---|
5209 | {
|
---|
5210 | InfoMsg(1, "using cache entry '%s'\n", kOCEntryAbsPath(pUseEntry));
|
---|
5211 | kOCEntryCopy(pEntry, pUseEntry);
|
---|
5212 | kOCEntryDestroy(pUseEntry);
|
---|
5213 | }
|
---|
5214 | else
|
---|
5215 | {
|
---|
5216 | kObjCacheUnlock(pCache);
|
---|
5217 | InfoMsg(1, "recompiling\n");
|
---|
5218 | kOCEntryCompileIt(pEntry);
|
---|
5219 | kObjCacheLock(pCache);
|
---|
5220 | }
|
---|
5221 | }
|
---|
5222 | else
|
---|
5223 | {
|
---|
5224 | InfoMsg(1, "no need to recompile\n");
|
---|
5225 | kObjCacheLock(pCache);
|
---|
5226 | }
|
---|
5227 | }
|
---|
5228 |
|
---|
5229 | /*
|
---|
5230 | * Update the cache files.
|
---|
5231 | */
|
---|
5232 | kObjCacheRemoveEntry(pCache, pEntry);
|
---|
5233 | kObjCacheInsertEntry(pCache, pEntry);
|
---|
5234 | kOCEntryWrite(pEntry);
|
---|
5235 | kObjCacheUnlock(pCache);
|
---|
5236 | kObjCacheDestroy(pCache);
|
---|
5237 | if (fOptimizePreprocessorOutput)
|
---|
5238 | {
|
---|
5239 | InfoMsg(3, "g_cbMemMoved=%#x (%d)\n", g_cbMemMoved, g_cbMemMoved);
|
---|
5240 | InfoMsg(3, "g_cMemMoves=%#x (%d)\n", g_cMemMoves, g_cMemMoves);
|
---|
5241 | }
|
---|
5242 |
|
---|
5243 | return 0;
|
---|
5244 | }
|
---|
5245 |
|
---|
5246 |
|
---|
5247 | /** @page kObjCache Benchmarks.
|
---|
5248 | *
|
---|
5249 | * (2007-06-10)
|
---|
5250 | *
|
---|
5251 | * Mac OS X debug -j 3 cached clobber build (rm -Rf out ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 USE_KOBJCACHE=1):
|
---|
5252 | * real 11m28.811s
|
---|
5253 | * user 13m59.291s
|
---|
5254 | * sys 3m24.590s
|
---|
5255 | *
|
---|
5256 | * Mac OS X debug -j 3 cached depend build [cdefs.h] (touch include/iprt/cdefs.h ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 USE_KOBJCACHE=1):
|
---|
5257 | * real 1m26.895s
|
---|
5258 | * user 1m26.971s
|
---|
5259 | * sys 0m32.532s
|
---|
5260 | *
|
---|
5261 | * Mac OS X debug -j 3 cached depend build [err.h] (touch include/iprt/err.h ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 USE_KOBJCACHE=1):
|
---|
5262 | * real 1m18.049s
|
---|
5263 | * user 1m20.462s
|
---|
5264 | * sys 0m27.887s
|
---|
5265 | *
|
---|
5266 | * Mac OS X release -j 3 cached clobber build (rm -Rf out/darwin.x86/release ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 USE_KOBJCACHE=1 BUILD_TYPE=release):
|
---|
5267 | * real 13m27.751s
|
---|
5268 | * user 18m12.654s
|
---|
5269 | * sys 3m25.170s
|
---|
5270 | *
|
---|
5271 | * Mac OS X profile -j 3 cached clobber build (rm -Rf out/darwin.x86/profile ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 USE_KOBJCACHE=1 BUILD_TYPE=profile):
|
---|
5272 | * real 9m9.720s
|
---|
5273 | * user 8m53.005s
|
---|
5274 | * sys 2m13.110s
|
---|
5275 | *
|
---|
5276 | * Mac OS X debug -j 3 clobber build (rm -Rf out/darwin.x86/debug ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 BUILD_TYPE=debug):
|
---|
5277 | * real 10m18.129s
|
---|
5278 | * user 12m52.687s
|
---|
5279 | * sys 2m51.277s
|
---|
5280 | *
|
---|
5281 | * Mac OS X debug -j 3 debug build [cdefs.h] (touch include/iprt/cdefs.h ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 BUILD_TYPE=debug):
|
---|
5282 | * real 4m46.147s
|
---|
5283 | * user 5m27.087s
|
---|
5284 | * sys 1m11.775s
|
---|
5285 | *
|
---|
5286 | * Mac OS X debug -j 3 debug build [err.h] (touch include/iprt/cdefs.h ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 BUILD_TYPE=debug):
|
---|
5287 | * real 4m17.572s
|
---|
5288 | * user 5m7.450s
|
---|
5289 | * sys 1m3.450s
|
---|
5290 | *
|
---|
5291 | * Mac OS X release -j 3 clobber build (rm -Rf out/darwin.x86/release ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 BUILD_TYPE=release):
|
---|
5292 | * real 12m14.742s
|
---|
5293 | * user 17m11.794s
|
---|
5294 | * sys 2m51.454s
|
---|
5295 | *
|
---|
5296 | * Mac OS X profile -j 3 clobber build (rm -Rf out/darwin.x86/profile ; sync ; svn diff ; sync ; sleep 1 ; time kmk -j 3 BUILD_TYPE=profile):
|
---|
5297 | * real 12m33.821s
|
---|
5298 | * user 17m35.086s
|
---|
5299 | * sys 2m53.312s
|
---|
5300 | *
|
---|
5301 | * Note. The profile build can pick object files from the release build.
|
---|
5302 | * (all with KOBJCACHE_OPTS=-v; which means a bit more output and perhaps a second or two slower.)
|
---|
5303 | */
|
---|
5304 |
|
---|